# What mass of potassium chloride, a salt substitute often used by heart patients, can be produced...

## Question:

What mass of potassium chloride, a salt substitute often used by heart patients, can be produced directly from {eq}5.2 \ g {/eq} potassium and {eq}7.9 \ g {/eq} chlorine ?

{eq}2 K + Cl_2 \longrightarrow 2 KCl {/eq}

(a) {eq}5.2 \ g \ KCl {/eq}

(b) {eq}4.9 \ g \ KCl {/eq}

(c) {eq}9.9 \ g \ KCl {/eq}

(d) {eq}10.1 \ g \ KCl. {/eq}

## Stoichiometry:

The determination of quantity that gets finished or yielded in any reaction is accomplished by utilizing the existing stoichiometric ratio. The numeric value present with the species addresses the stoichiometric ratio.

## Answer and Explanation: 1

Become a Study.com member to unlock this answer! Create your account

View this answer

**Given Data:**

- The mass of the potassium is 5.2 g.
- The mass of the chlorine is 7.9 g.

The given reaction for the formation of KCl is shown below.

{...

See full answer below.

#### Ask a question

Our experts can answer your tough homework and study questions.

Ask a question Ask a question#### Search Answers

#### Learn more about this topic:

from

Chapter 9 / Lesson 4Learn how to find the molarity of a solution or the moles of gas in a given volume using stoichiometry. See examples of calculating moles from molarity.

#### Related to this Question

- What mass of potassium chloride, a salt substitute often used by heart patients, can be produced directly from 5.2 g potassium and 7.9 g chlorine? 2K + Cl_2 to 2KCl (a) 5.2 g KCl (b) 9.9 g KCl (c) 13 g KCl (d) 10 g KCl (e) 4.9 g KCl
- What mass of potassium chloride can be produced directly from 5.5 grams of potassium and 7.8 grams of chlorine? 2K + Cl2 arrow 2KCl
- How many grams of calcium chloride are needed to produce 2.5 g of potassium chloride?
- How many grams of calcium chloride are needed to produce 10 g of potassium chloride?
- How many grams of calcium chloride are needed to produce 2.50 g of potassium chloride?
- If 15 g of potassium trioxochlorate V is heated in MnO2, what is the mass of chloride produced?
- What mass of potassium chloride is needed to produce 93.45 g potassium chlorate?
- How many grams of calcium chloride are needed to produce 10.0 g of potassium chloride? The reaction is: CaCl_2 + 2 KNO_3 to Ca(NO_3)_2 + 2 KCl.
- How many grams of calcium chloride are needed to produce 10.0 g of potassium chloride? 2 KOH + CaCl_2 \to Ca(OH)_2 + 2 KCl
- How many grams of potassium can be obtained from the decomposition of 100 grams of KCl?
- Potassium chloride reacts with bromine forming potassium bromide plus chlorine. If 500 g of potassium bromide is produced, how many grams of potassium chloride reacted?
- If 15 gram of potassium trioxochlorate V is heated in the presence of MnO_2. What is the mass of chloride produced?
- What amount of Potassium Chloride forms when 5.25 liters of Chloride gas at 0.95 atm and 293 K reacts with 17.0 g of Potassium?
- How many grams of potassium chloride are produced when 80.0 grams of magnesium chloride reacts with excess potassium hydroxide? MgCl2 + KOH arrow Mg(OH)2 + KCl
- What mass of sodium chloride is produced when 10.0 g of sodium is reacted with 20.0 g of chlorine?
- 2KClO_3 \rightarrow 2KCl + 3O_2 How many grams of potassium chloride are produced if 25g of potassium chlorate decomposes?
- 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)
- How many grams of KCl can be produced from 2.50 grams of potassium and excess chlorine? 2K(s) + Cl2(g) arrow 2KCl(s)
- How many grams of KCl would be formed in the reaction of 3.000 g of K2CO3 and HCl?
- When 3.8 moles of potassium iodide react with excess chlorine gas, how many grams of potassium chloride are formed?
- How many grams of potassium nitrate are produced from 81.6 kg of potassium chloride and 40.8 kg of hydrogen nitrate? 4KCl + 4HNO_3 + O_2 to 4KNO_3 + 2Cl_2 + 2H_2O.
- How many grams of chlorine are required to react completely with 5.00 grams of sodium to produce sodium chloride? 2Na + Cl_2 \rightarrow 2NaCl
- How many grams of calcium chloride are needed to produce 10.0 g of potassium chloride? CaCl2(aq) + K2CO3(aq) arrow 2KCl(aq) + CaCO3(aq)
- A chemist combines 11 grams of sodium with 14 grams of chlorine to produce sodium chloride. How many grams of sodium chloride can theoretically be produced?
- If this reaction produced 76.8 g of KCl, how much O_2 was produced (in grams)? 2KClO_3 \to 2KCl + 3O_2
- Determine the mass of sodium chloride produced when chlorine reacts with 0.29 g of sodium iodine in a single replacement reaction.
- What mass of sodium chloride is produced when chlorine gas reacts with 0.29 grams of sodium iodide? Unbalanced equation is given below: NaI + Cl 2 ? NaCl + I 2
- How many grams of sodium chloride are required to produce 10.00 g of NaHCO_3 by the Solvay process?
- What would be the total mass of the products of a reaction in which 25 grams of table salt (sodium chloride) decomposes into the elements sodium and chlorine?
- When heated, KCIO_3 decomposes into KCl and O_2 2KCIO_3 \rightarrow 2KCI + 3O_2 If this reaction produced 56.8 g of KCl, how much O_2 was produced (in grams)?
- How many grams of potassium chlorate, KClO_3(s) must decompose to produce potassium chloride, KCl(s), and 1.45 grams of oxygen gas?
- Find the mass of water (H_2O) needed to react with 150 grams of potassium (K).
- Sodium reacts completely with 0.142 kg of Chlorine, forming 234 g of Sodium chloride. What mass of sodium reacted?
- How many moles of potassium chloride would react with 8.56 moles of oxygen and how many moles of potassium chloride would this produce?
- A sample of sodium reacts completely with 142 g of chlorine, forming 234 g of sodium chloride. What mass of sodium reacted?
- In the complete reaction of 22.99 g of sodium with 35.45 g of chlorine, what mass of sodium chloride is formed? Include the reaction.
- How many grams of chlorine gas could be produced by the decomposition of 58.5 g of sodium chloride according to the following equation.? 2 NaCl rightarrow 2 Na + Cl_2.
- If 3.6 g of chlorine combines with sodium to make 6.0 g of sodium chloride, what mass of sodium is required?
- If 2.0 g of copper(II) chloride reacts with excess sodium nitrate, what mass of sodium chloride is formed in this double replacement reaction?
- A chemist carries out a reaction between 10.0g of sodium and 20.0g chlorine. a. Which reactant element is present in excess? b. What quantity of sodium chloride is produced? c. What quantity of the
- What potassium chloride reacts with oxygen under the right conditions, potassium chloride is formed: KCl + 3O_2 to KCIO_2
- How many grams of potassium nitrate are required to produce 5.00 g of potassium nitrite according to the equation below? 2KNO 3 (s) ? 2KNO 2 (s) + O 2 (g)
- What mass of KCl in grams when 2.00 lbs KClO_3 is decomposed?
- A sample of sodium reacts completely with 0.355 kg of chlorine, forming 585 g of sodium chloride. What mass of sodium reacted?
- A sample of sodium reacts completely with 0.568 kg of chlorine, forming 936 g of sodium chloride. What mass of sodium was reacted?
- A sample of sodium reacts completely with 0.568 (kg) of chlorine, forming 936 (g) of sodium chloride. What mass of sodium reacted?
- A sample of sodium reacts completely with 0.284 kg of chlorine, forming 468 g of sodium chloride. What mass of sodium reacted?
- 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 many potassium chloride (KCl) is produced from the reaction of 2.00 g of K and 3.00 g of Cl_2, based on the following: 2K + Cl_2 to 2KCl
- What mass of lead(II) trioxonitrate(V)will be required to yield, 22g of lead(II)chloride on the addition of excess potassium chloride solution?
- 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?
- How many grams of potassium chlorate decompose to potassium chloride and 310. mL of O_2 at 128 C and 767. torr? 2 KClO_3(s) 2 KCl(s) + 3 O_2(g)
- Given the equation 2 K + C l 2 2 K C l , how many grams of K C l can be produced from 2.50 g of potassium and excess chlorine gas?
- a. How many grams of potassium, K, react , if 1.00 gram of hydrogen gas, is produced when the potassium reacts with water according to the following equation? 2 K + 2 H2O → 2 KOH + H2 (reaction 1) b. How many grams of Potassium hydroxide are
- If 0.485 g of K_2CO_3 were reacted according to the following equation, what would be the expected mass of the KCl product? K_2CO_3 (s) + HCl (aq) to 2 KCl (s) + H_2O (g) + CO_2 (g)
- How many grams of sodium metal is needed to make 29.3 grams of sodium chloride? Given the reaction: 2Na+Cl_3 to 2NaCl. (a) 46.6 (b) 5.75 (c) 23.0 (d) 13.5 (e) Not enough information.
- When heated KClO_3 decomposes into KCl and O_2. 2KClO_3 \to 2KCl + 3O_2. If the reaction produced 56.9g of KCl, how much O_2 was produced (in gram)?
- For the following chemical reaction, what mass of potassium phosphate (in grams) will be produced from 3.35 mol of potassium hydroxide? 3KOH + H3PO4 to K3PO4 + 3H2O
- Consider the reaction between sodium metal and chlorine gas to form sodium chloride (table salt): 2Na(s) + Cl_2(g) longrightarrow 2NaCl(s). If 12.5 g of sodium react with sufficient chlorine, how many grams of sodium chloride will be formed? A. 15.9
- How many grams of potassium chlorate decompose to potassium chloride and 188 mL of O_2 at 128 ^oC and 766 torr?
- How many grams of potassium chlorate decompose to potassium chloride and 419 mL of O2 at 128 C and 694 torr? 2 KClO3(s) ? 2 KCl(s) + 3 O2 (g)
- How many grams of potassium chlorate decompose to potassium chloride and 670. mL of O2 at 128 C and 711 torr? 2 KClO3(s) to 2 KCl(s) + 3 O2 (g)
- 30 grams of sodium chloride reacts with enough silver nitrate to use all of the sodium chloride in a double replacement reaction. How many grams of silver chloride would be formed?
- How many moles of potassium chloride are produced from 119 g of potassium bromide? Cl2+2KBr yields 2KCl+Br2
- When heated, KClO3 --> 2KCL+3O2. If this reaction produced 67.0 grams of KCl, how much O2 was produced in grams? Hint: Start by converting the mass of KCl to moles using the molar mass of KCl
- How many grams of chlorine gas is needed to make 117 grams of sodium chloride given the following reaction: [{MathJax fullWidth='false' 2Na + Cl_2 \to 2NaCl }]? A) 71.0 g B) 48.2 g C) 35.5 g D) 142 g
- For the following reaction, 67.9 grams of barium chloride is allowed to react with 61.7 grams of potassium sulfate. What is the maximum amount of potassium chloride that can be formed? barium chloride (aq) + potassium sulfate (aq) arrow barium sulfate (s)
- 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
- How many grams of chlorine are needed to make 25.0 grams of sodium chloride? 2Na + Cl2 arrow 2NaCl
- How many grams of chlorine are needed to make 85.0 grams of sodium chloride? 2Na + Cl2 arrow 2NaCl
- How many grams of chlorine are needed to make 135.0 grams of sodium chloride? 2Na + Cl2 arrow 2NaCl
- How many grams of potassium iodide can be produced by the reaction of 150 grams of iodide and 45.6 grams of potassium?
- 30 grams of sodium chloride is reacted with enough silver nitrate to use all of the sodium chloride in a double replacement reaction. How many grams of silver chloride would be formed?
- Balance the reaction, determine the answer to the question. k + Cl_2 to KCl How many grams K are needed to react with 15 grams of Cl_2?
- How many grams of potassium chlorate decompose to potassium chloride and 861 ml of O_2 at 128 C and 764 torr? 2KCLO_3 (s) --> 2KCL(s) + 3 O_2 (s)
- What mass of water would be produced when 50.0 mL of 0.75 mol/L phosphoric acid reacts with an excess of potassium hydroxide?
- Consider the reaction between sodium metal and chlorine gas to form sodium chloride (table salt): 2Na(s) + Cl_2(g) longrightarrow NaCl(s). If 3.6 moles of chlorine react with sufficient sodium, how many grams of sodium chloride will be formed? A. 1.
- A chemist performs the synthesis of sodium chloride from its elements. The chemist begins with 46 grams of sodium. How many grams of sodium chloride are produced?
- Identify the limiting reactant and determine the mass of the excess reactant remaining when 7.00 g of chlorine gas reacts with 5.00 g of potassium to form potassium chloride.
- When heated, KClO_3 decomposes into KCl and O_2. Consider the reaction: 2KClO_3 to 2KCl + 3O_2. If this reaction produced 61.7 g of KCl, how much O_2 is produced (in grams)?
- In the reaction 2Na + Cl_2 to 2NaCl, how many grams of NaCl are produced when 25 g of sodium reacts completely to form NaCl?
- An 1170 gram sample of NaCl completely reacts, producing 460 grams Na. What is the total mass of Cl_2 produced?
- How many grams of sodium are needed to make 85.0 grams of sodium chloride? 2Na + Cl2 arrow 2NaCl
- How many grams of sodium are needed to make 135.0 grams of sodium chloride? 2Na + Cl2 arrow 2NaCl
- How many grams of sodium are needed to make 25.0 grams of sodium chloride? 2Na + Cl2 arrow 2NaCl
- Sodium chloride is produced from its elements through a synthesis reaction. What mass of each reactant would be required to produce 25.0 mol of sodium chloride?
- How many grams of potassium nitrate (KNO_3) are required to produce 536 g of potassium nitrite (KNO_2) according to the equation below? 2KNO_3(s) to 2KNO_2(s) + O_2(g).
- For the following reaction, 67.9 grams of barium chloride is allowed to react with 61.7 grams of potassium sulfate. What is the formula of the limiting reagent? barium chloride (aq) + potassium sulfate (aq) arrow barium sulfate (s) + potassium chloride (a
- What mass of potassium perchlorate (in kg) can be obtained from 3.40 kg of KClO when these reactions are carried out?
- Consider the unbalanced equation: Na + Cl_2 to NaCl. What mass of NaCl can be produced from 25.0 grams of Chlorine?
- How many grams of NaCl must react to produce 1.00 g Cl_2?
- How many grams of potassium phosphate will be produced, if 61.90 grams of phosphoric acid reacts with excess potassium hydroxide? Include the reaction.
- 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)?
- 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 KClO_3 decomposed into KCl and O_2 2KClO_2 to 2KCl + 3O_2 If these reaction produced 82.9 g of KCl, how much O_2 was produced (in grams)?
- Potassium reacts with oxygen to make potassium oxide, K2O. What is the maximum mass of K2O(s) that could be prepared from 8.18 grams of K(s) and 2.72 grams of O2(g)?
- Consider the reaction between sodium metal and chlorine gas to form sodium chloride: 2Na(s) + Cl_2(g) longrightarrow 2NaCl(s). (a) If 3.6 moles of chlorine react with sufficient sodium, how many grams of sodium chloride should form?
- An aqueous solution containing 9.48 grams of lead(lI) nitrate is added to an aqueous solution containing 5.28 grams of potassium chloride. How many grams of the excess reactant remain after the reaction is complete?
- In the following reaction, how many grams of potassium phosphate, K_3PO_4, will be produced from 84.3 g of potassium hydroxide, KOH?...