The decomposition of potassium chlorate (KClO_3) is used as a source of oxygen in the laboratory....
Question:
The decomposition of potassium chlorate ({eq}KClO_3 {/eq}) is used as a source of oxygen in the laboratory. How much potassium chlorate is needed to produce 10.2 mol of oxygen? Answer in units of mol.
Stoichiometric Number
A stoichiometric equation is one in which the number of elements present on each side is the same. The number that is written before each molecule is the stoichiometric number.
Answer and Explanation: 1
Become a Study.com member to unlock this answer! Create your account
View this answer
- The given mol of oxygen needed to produce is 10.2 mol.
The reaction for the decomposition of {eq}{\rm{KCl}}{{\rm{O}}_{\rm{3}}}{/eq} is shown...
See full answer below.
Ask a question
Our experts can answer your tough homework and study questions.
Ask a question Ask a questionSearch Answers
Learn more about this topic:

from
Chapter 9 / Lesson 2Learn about the mole ratio. Understand the definition of mole ratio, how to find mole ratio in stoichiometry, and see examples of using mole ratio in problems.
Related to this Question
- The decomposition of potassium chlorate, KClO_3, gives oxygen gas and solid potassium chloride. How many grams of KClO_3 are needed to produce 5.00 L of Oxygen gas at STP? Suppose that the reaction de
- Potassium chlorate decomposes to produce oxygen gas and potassium chloride. If you have 1.65 lbs of potassium chlorate how much oxygen (in grams) could be produced by the decomposition reaction?
- In a reaction where potassium chlorate is decomposed into potassium chloride and oxygen, how much oxygen can be made from 45.8 grams of potassium chlorate?
- How much oxygen, O2, is produced by the decomposition of 25 grams of KClO3?
- The decomposition of potassium chlorite yields oxygen gas and potassium chloride. If the yield is 95 %, how many grams of KClO_3 are needed to produce 10.0 L of O_2?
- How much oxygen gas will be produced from the decomposition of 50 grams of potassium chlorate?
- How many grams of oxygen can be produced from the decomposition of 100 g of KClO3?
- Potassium chlorate decomposes into potassium chloride and oxygen gas. What volume of oxygen gas is produced by the decomposition of 61.5 grams of potassium chlorate at STP?
- Potassium chlorate is 75% pure 48 grams of oxygen would be produced from how much potassium chlorate?
- How many grams of oxygen can be produced from the decomposition of 100 grams of KClO3?
- How many moles of oxygen are produced when 3 moles of potassium chlorate decomposes completely?
- How much potassium chlorate is needed to produce 20 mL of oxygen gas at 670 mm Hg and 20 C?
- When potassium chlorate is heated, potassium chloride and oxygen gas are formed. The percent yield of the reaction is 83.2%. How much potassium chlorate must be decomposed to produce 198.5 grams of oxygen?
- If 125 grams of KClO_3 decomposes completely, how many moles of oxygen gas is produced?
- The decomposition of potassium chlorate yields oxygen gas. If the yield is 95%, how many grams of KClO3 are needed to produce 10.0 L of O2? 2KClO3(s) arrow 2KCl(s) + 3O2(g)
- How many grams of oxygen, O_2, would be produced in the complete decomposition of 10.0 g of KClO_3? The molar masses are: O_2 = 32.0 g, KClO_3 = 122.6 g the balanced equation is: 2KClO_3 \to 2KCl + 3O_2
- How many moles of oxygen can be obtained by the decomposition of 7.5 mol of reactant in the following reaction? 2 KClO_3 to 2 KCl + 3 O_2.
- What mass of KClO_3 will produce 48 grams of oxygen gas if the decomposition of KClO_3 is complete? (A) 61.3 g. (B) 74.5 g. (C) 122.5 g. (D) 245.0 g.
- Use the following balanced equation to answer the question: 2 KClO_3 to 2KCl + 3O_2 A chemist is producing oxygen gas in the laboratory. If 122.6 g of KClO_3 are available, how many grams of KCl and O_2 can the chemist produce?
- How many grams of potassium chlorate, KClO_3(s) must decompose to produce potassium chloride, KCl(s), and 1.45 grams of oxygen gas?
- When potassium chlorate is heated, it decomposes into potassium chloride and oxygen in the reaction 2KCIO3 arrow 2KCI + 3O2. How much oxygen is liberated when 50 g of potassium chlorate is heated?
- In the following reaction, what mass of potassium chlorate, KCIO_3, would be required to produce 273 L of oxygen, O_2 measured at STP? 2KClO_3 (s) to 2 KCl(s) + 3O_2(g)
- Potassium chlorate may be synthesized by heating potassium chloride in the presence of oxygen gas. How many moles of potassium chlorate are produced when 34.21 grams of oxygen reacts with excess potassium chloride? 2KCl(s) + 3O2(g) arrow 2KClO3(s)
- If 120. grams of KClO_3 reacts, how many grams of oxygen are produced?
- Potassium nitrate decomposes on heating, producing potassium oxide and gaseous nitrogen and oxygen: 4KNO_3(s) to 2K_2O(s) + 2N_2(g) + 5O_2(g). To produce 56.6 kg of oxygen, how many moles of KNO_3 mus
- 2KCIO_3 \rightarrow 2KCI + 3O_2 How many moles of oxygen are produced by the decomposition of six moles of potassium chlorate?
- Thermal decomposition of KClO_3(s) yields KCl(s) and O_2(g). When 4.289 grams of KClO_3 (0.03500 moles) undergo this reaction, how many grams of oxygen are produced?
- In the following reaction, what mass of potassium chlorate, KClO3, would be required to produce 321L of oxygen, measured at STP? 2KClO3(s) -------> 2KCl(s) + 3O2(g)
- How many moles of oxygen gas are produced from 151 grams of KClO_3?
- Potassium chlorate may be synthesized by heating potassium chloride in the presence of oxygen gas. How many moles of potassium chlorate are produced when 8.56 moles of oxygen reacts with excess potassium chloride? 2KCl(s) + 3O2(g) arrow 2KClO3(s)
- 2 KClO3 \rightarrow 2 KCl + 3 O2 According to this balanced chemical equation, how many moles of oxygen gas are produced from the reaction of one mole of KClO3? How many grams of O2 are produced?
- 3. Thermal decomposition of KClO3(s) yields KCl(s) and O2(g). When 4.289 g of KClO3 (0.03500 moles) undergo this reaction, how many grams of oxygen are produced? (Don?t forget to write and balance the
- Consider the reaction 2KCl_3(s) \to 2KCl(s) + 3O_2(g): How many grams of oxygen are produced from the complete reaction of 2.15 mol of KClO_3?
- Consider the reaction 2KClO_3(s) ---> 2KCl(s) + 3O_2(g). How many grams of oxygen are produced from the complete reaction of 1.32 mol of KClO_3?
- According to the following chemical equation: 2KClO_3 \rightarrow 2KCl + 3O_2 How many grams of KClO_3 are needed to produce 32.0 g of O_2? a. 122.5 g KClO_3. b. 163.4 g KClO_3. c. 81.7 g KClO_3.
- What volume of oxygen, measured at STP, can be produced by the decomposition of potassium chlorate if 20.0 grams of the salt (KClO3) is completely decomposed into potassium chloride and oxygen gas? 2KClO3(s) arrow 2KCl(s) + 3O2(g)
- The compound KClO3 decomposes according to the following equation: 2KClO3 --> 2KCl + 3O2 a) What is the mole ratio of KClO3 to O2 in this reaction? b) How many moles can be produced by letting 6.0 moles of KClO3 react based on the above equation? c)
- How many liters of oxygen gas are formed at STP when 25.3 g KClO_3 decompose? KClO_3 \rightarrow KCl + O_2
- When magnesium chlorate undergoes decomposition, oxygen gas is released in the following reaction: 2KClO3 arrow 2KCl + 3O2 When 3.50 grams of potassium chlorate is decomposed at STP, how many litters of oxygen will be produced?
- Use the following, balanced equation for the question below: 2KClO_3(s) to 2KCl(s) + 3O_2(g). How many moles of oxygen gas are produced from 151 grams of KClO_3?
- Calculate the amount (in grams) of O2(g) produced when 15.0 g of KClO3 is decomposed.
- For the reaction shown, calculate how many grams of oxygen form when each quantity of reactant completely reacts. 2 KClO3(s) ? 2 KCl(s) + 3 O2(g) A) 2.72 g KClO3 B) 0.361 g KClO3 C) 83.6 kg KClO3 D) 2
- When heated, KClO3 decomposes into KCl and O2. If this reaction produced 50.1g of KCl how much O2 was produced in grams?
- When heated, KClO3 decomposes into KCl and O2. 2KClO3 = 2KCl + 3O2. If this reaction produced 75.2 g of KCl, how much O2 was produced (in grams)?
- If the percent yield for the following reaction is 65.0%, how many grams of KClO_{3} are needed to produce 42.0 g of O_{2}? 2 KClO_{3}(s) \rightarrow 2 KCl(s) + 3 O_{2}(g)
- When heated, KClO3 decomposes into KCl and O2. If this reaction produced 43.8 g of KCl, how much O2 was produced (in grams)?
- When heated, KClO3 decomposes into KCl and O2. If this reaction produced 79.9 g of KCl, how much O2 was produced (in grams)?
- Potassium nitrate decomposes on heating, producing potassium oxide and nitrogen and oxygen: 4KNO_3(s) rightarrow 2K_2O(s) + 2N_2(g) + 5O_2(g) To produce 42.5 kg of O_2, how many a. moles of KNO_3 mus
- Calculate the weight of potassium chlorate needed to produce 24.1 L of oxygen at 555 mm Hg and 20 C. 2 KClO3 = 2 KCl + 3O2
- Potassium chlorate may be synthesized by heating potassium chloride in the presence of oxygen gas. How many molecules of O2 are needed to produce 0.473 grams of potassium chlorate? 2KCl(s) + 3O2(g) arrow 2KClO3(s)
- How many moles of O_2 can be produced by letting 12.00 moles of KClO_3 react? 2 KClO_3 \rightarrow 2KCl + 3O_2
- Given the reaction below. \\ 2KClO_3 \rightarrow 2KCl + 3O_2 \\ How many particles of O_2 are produced for 4 moles of KClO_3?
- How many grams of oxygen would be produced in the complete decomposition of 10.0 grams of KClO3? 2KClO3(s) arrow 2KCl(s) + 3O2(g)
- For the reaction: 2KClO_3(s) \rightarrow 2KCl(s) + 3O_2(g) Calculate how many grams of oxygen form when 22.5 mg KClO_3 completely reacts.
- Small samples of oxygen gas needed in the laboratory can be generated by a number of simple chemical reactions, such as: 2 KClO_3 to 2 KCl + 3 O_2. According to this balanced chemical equation, how many moles of oxygen gas are produced from the reaction o
- Small quantities of oxygen can be prepared in the lab by heating potassium chlorate, KClO3(s). The equation for the reaction is: 2KClO3 \rightarrow 2KCl + 3O2 Calculate how many grams of O2(g) can be produced from heating 96.8 grams of KClO3(s).
- 3Cl_2 + 6KOH \to KClO_3 + 5KCl + 3H_2O, how many moles of KClO_3 form when 2 grams of KOH reacts completely?
- In a decomposition reaction 2KClO_3 to 2KCl + 3O_2, what volume of O_2 gas at STP would be produced from 3.66 g of KClO_3?
- 15.45 grams of solid potassium chlorate decomposes when heated to form potassium chloride and oxygen gas. Assuming a 100% yield, how many grams of solid potassium will be produced?
- Small samples of oxygen gas needed in the laboratory can be generated by a number of simple chemical reactions, such as 2 KClO_3 to 2 KCl + 3 O_2. According to this balanced chemical equation, how many grams of oxygen gas are produced from the reaction of
- How many grams of O2 can be prepared from the decomposition of 4.50 g of KClO3?
- Small quantities of oxygen can be prepared in the laboratory by heating potassium chlorate, KClO_3(s). The equation for the reaction is: 2KCI_3 \to 2KCL + 3O_2 Calculate how many grams of O_2(g) can be produced from heating 49.9 grams of KClO_3(s).
- If potassium chlorate is 80 percent pure , how many grams of potassium chlorate are needed to produce 48 g of oxygen?
- If 59.3 grams of potassium chlorate decomposes, how many grams of oxygen gas can be produced? (Explain why each choice is correct or incorrect.) 2KClO3 to 2KCl + 3O2 a) 15.5 g O2 b) 23.2 g O2 c) 31.0 g O2 d) 46.4 g O2
- Consider the reaction 2 KClO_3(s) to 2 KCl(s) + 3O_2(g) How many grams of oxygen are produced from the complete reaction of 31.1 g of KClO_3? a. 15.3 g. b. 13.3 g. c. 12.2 g. d. 14.1 g. e. 10.8 g.
- Small quantities of oxygen can be prepared in the laboratory by heating potassium chlorate, KClO3(s). a) Find the equation for the reaction b) Calculate how many grams of O2(g) can be produced from heating 68.7 grams of KClO3(s).
- Small quantities of oxygen can be prepared in the laboratory by heating potassium chlorate, KClO3(s). The equation for the reaction is 2KClO3 → 2KCl + 3O2 Calculate how many grams of O2(g) can be produced from heating 47.1 grams of KClO3(s).
- How many litres of O_2 can be produced by letting 12.00 moles of KClO_3 react?
- How many grams of oxygen are produced from the complete reaction of 1.32 moles of KClO3? 2KClO3(s) arrow 2KCl(s) + 3O2(g)
- Potassium chlorate may be synthesized by heating potassium chloride in the presence of oxygen gas. How many moles of potassium chloride would react with 8.56 moles of oxygen? 2KCl(s) + 3O2(g) arrow 2KClO3(s)
- 2 K C l O 3 2 K C l + 3 O 2 If 5.0 g of potassium chlorate are decomposed, what volume of oxygen gas is produced at STP? How many grams of potassium chloride are produced?
- Potassium nitrate decomposes on heating, producing potassium oxide and gaseous nitrogen and oxygen: 4KNO_3(s) ---> 2K_2O(s) + 2N_2(S) + 5O_2(g) To produce 62.6 kg of O_2, how many (a). moles of KNO_
- After the reaction was completed, the collected oxygen gas was 1.45 L at 725 mmHg and 29 deg-C. How many grams of KClO3 reacted? KClO3 reacted to form O2 and KCl. Assume that the oxygen behaves nearly as an ideal gas.
- Consider the reaction 2 KClO3(s) \rightarrow 2 KCl(s) + 3 O2(g) How many grams of oxygen are produced from the complete reaction of 1.32 mol of KClO3? Molar Mass of KClO3 = 122.50 g/mol. Molar Mass of KCl = 74.55 g/mol. Molar Mass of O2 = 32.00 g/
- How many grams of oxygen can be formed if 295.0 g KClO_3 react? Use the reaction below to solve this question. 2KClO_3 right-arrow 2KCl + 3O_2
- When 25.0 grams of potassium chlorate (KClO3) decomposes, how many liters of O2 gas is formed at STP? 2KClO3(s) arrow 2KCl(s) + 3O2(g)
- When magnesium chlorate undergoes decomposition, oxygen gas is released in the following reaction: 2KClO3 arrow 2KCl + 3O2 When 3.50 grams of potassium chlorate is decomposed at STP, how many litters
- How many grams of KClO3 are required to make 300 mL of 0.891 M KClO3?
- Potassium chlorate may be synthesized by heating potassium chloride in the presence of oxygen gas. What mass of potassium chloride is needed to produce 93.45 grams of potassium chlorate? 2KCl(s) + 3O2(g) arrow 2KClO3(s)
- Small quantities of oxygen can be prepared in the laboratory by heating potassium chlorate, KCIO_3(s). The equation for the reaction is 2 KCIO_3 rightarrow 2KCI + 3O_2 (a) Calculate how many grams
- Calculate how many grams of O_2(g) can be produced from heating 94.3 grams of KClO_3 (s).
- 1.) How many grams of oxygen gas , O2, are produced when 65.5 grams of sodium chlorate, NaClO3, decomposes in the following reaction using mole ratio. 2NaClO3 (s) --> 2NaCl (s) + 3O2 (g) 2.) How man
- 2KClO3 arrow 2KCl + 3O2 8.20 grams of KClO3 decompose to form potassium chloride and oxygen gas. How many grams of KCl are produced in this reaction?
- If 38.5 grams of potassium react with excess oxygen gas, how many grams of potassium oxide can be produced? 4 K + O_2 \rightarrow 2 K_2O
- If the decomposition of potassium chlorate is incomplete assuming all measurements are accurate, what would be the effect on the calculated value for the molar volume of oxygen at STP?
- How many grams of oxygen form when 0.348 moles of KClO3 completely react? 2KClO3 arrow 2KCl + 3O2
- In the equation 2KClO3 arrow 2KCl + 3O2, how many moles of oxygen are produced when 3.0 moles of KClO3 decomposes completely? a. 3.0 moles b. 1.0 moles c. 4.5 moles d. 2.5 moles
- 2KClO_3 \rightarrow 2KCl + 3O_2 How many grams of potassium chloride are produced if 25g of potassium chlorate decomposes?
- How many moles of KClO3 are needed to produce 1039 L of O2 according to the following equation? 2KClO3 arrow 2KCl(s) + 3O2(g)
- How many moles of oxygen are formed when 58.6 g of KNO3 decomposes according to the following reaction? The molar mass of KNO3 is 101.11 g mol^{-1}. 4KNO3(s)\to 2K2O(s)+ 2N2(g)+ 5O2(g)
- If 0.336 grams of potassium chloride is produced in the following reaction, how many moles of oxygen are also produced? KClO3 arrow KCl + O2
- How many moles of oxygen are formed when 58.6 g of KNO_3 decomposed according to the following reaction? The molar mass of KNO_3 is 101.11 g/mol. 4KNO_3 (s) to 2K_2O (s) + 2N_2 (g) + 5O_2 (g)
- In the reaction, 2KClO3 arrow 2KCl + 3O2, 8.20 grams of KClO3 decompose to form potassium chloride and oxygen gas. How many grams of KCl are produced in this reaction?
- How many molecules of O_2 are produced when 18.5 g of KClO_3 decomposes as shown in the reaction? 2KClO_3 \to 2KCl + 3O_2
- What mass of potassium chlorate must be heated to give 120 cm3 of oxygen according to the following equation? 2KClO3(s) arrow 2KCl(s) + 3O2(g)
- Potassium chlorate, KClO_3, is used in fireworks and explosives. It can be prepared by bubbling chlorine into hot aqueous potassium hydroxide; KCl(aq) and H_2O are the other products in the reaction. How many grams of KClO_3 can be obtained from 138 L of
- Given the following equation: 2KClO_3 \rightarrow 2KCl+3O_2 How many moles of O_2 can be produced by letting 12.00 moles of KClO_3 react?
- What mass of KClO3 will produce 48.0 grams of O2 if the decomposition of KClO3 is complete? KClO3 arrow KCl + O2
- How many moles of oxygen are formed when 45.7 grams of KClO3 completely decompose? 2KClO3 arrow 2KCl + 3O2
- A 26.3 gram sample of solid potassium chlorate decomposed and produced 9.45 grams of oxygen gas. What is the percent yield of oxygen?