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This document contains 10 chemistry problems involving calculations of molarity, moles of solute, mass of solute, and volume. Students are asked to calculate various values related to molarity, including molarity given moles and volume, moles given mass and molarity, mass given molarity and volume, and volume given mass and molarity.

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77 views1 page

Name: - Date - Period

This document contains 10 chemistry problems involving calculations of molarity, moles of solute, mass of solute, and volume. Students are asked to calculate various values related to molarity, including molarity given moles and volume, moles given mass and molarity, mass given molarity and volume, and volume given mass and molarity.

Uploaded by

zane
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Name: __________________________________________ Date____________ Period:

_____

1. Calculate the molarity of a solution which contains 0.40 mol of a substance dissolved in 1.6 L of a solution.

2. What is the molarity of a solution containing 325 g of NaCl dissolved in 750. mL of solution?

3. 140 g of KCl is dissolved in 600. mL of water. What is the molarity?

4. 724.4 g of ammonium phosphate in 4500 mL of alcohol. What is the molarity of the solution?

5. You are making 2.2 L of 3.1 M silver nitrate solution. Who many moles of solute are there?

6. How many grams of MgCl2 are needed to make 700.mL of a 1.4 M solution?

7. 93.2 g of copper (II) sulfate is mixed into 290. mL of water. What is the molarity?

8. What mass of calcium hydroxide must dissolve in 850 mL of water to make a 2.4 M solution?

9. What volume of water must be added to 325 g of chromium (III) carbonate to make a 0.90 M solution?

10. What mass of ethanol is 360. g of sucrose dissolved in to make a 1.6 m solution? If the density of ethanol is 0.89
g/mL, determine the volume of ethanol used.

Modified from: http://www. pages.cms.k12.nc.us/gems/jennifergallagher/Molaritymolalitypractice.doc

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