Molarity Problems - Wasatch



Molarity Problems Molarity (M) = moles of solute

L of solution

Name ___________________________

1. If 58.5 grams of NaCl are dissolved in water to make 1.00 liter of solution, what is the molarity of the solution?

2. If 40.0 grams of NaOH are dissolved in enough water to make 1.0 liter of solution, what is the molarity of the solution?

3. If 20.0 grams of NaOH are dissolved in water to make 500.0 ml of solution, what is the molarity of the solution?

4. If 10.0 grams of NaOH are dissolved in water to make 250.0 ml of solution, what is the molarity of the solution?

5. If 80.0 grams of NaOH are dissolved in water to make 1.00 liter of solution, what is the molarity of the solution?

6. If you have 1.00 liter of a 1.0 M solution of NaCl, how many moles of NaCl were dissolved in the water to make that solution?

7. If you have 1.0 liter of a 1.00 M solution of NaCl, how many grams of NaCl were dissolved in the water to make that solution?

8. How would you make 100.0 ml of 1.0 M NaOH?

9. How would you make 500.0 ml of 0 .10 M NaOH?

Answers: 1) 1.00 M NaCl 2) 1.0 M NaOH 3) 1.00 M NaOH 4) 1.00 M NaOH 5) 2.00M NaOH

6) 1.0 mol NaCl 7) 58 g NaCl 8) 4.0 g NaOH 9) 2.0 g NaOH

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