Calculate the mass (in grams) of KCl you must measure out to prepare 100 mL of a 0.025 M KCl...
Question:
Calculate the mass (in grams) of KCl you must measure out to prepare 100 mL of a 0.025 M KCl solution.
Mass:
One will estimate moles from the molarity and volume of the given solution and then using these calculated moles one will be capable of estimating the mass of that species. The formula is: {eq}{\rm{Mass}} = {\rm{Molar}}\;{\rm{mass}} \times {\rm{Moles}} {/eq}
Answer and Explanation: 1
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Given Data:
- The volume of KCl is 100 mL.
- The molarity of KCl solution is 0.025 M.
The moles of KCl solution can be calculated as shown below.
{...
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Chapter 8 / Lesson 4What is molarity? What is molality? Compare molarity vs molality by viewing molality and molarity formulas, how to calculate molarity and molality, and examples.