
Molarity and Dilutions
Authored by Patricia Weaver
Chemistry
10th Grade
NGSS covered
Used 32+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Calculate the Molarity in a solution containing 40.0 g of NaCl dissolved in 0.50 liters of H2O.
0.08 M
12.5 M
1.37 M
0.74 M
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Calculate the grams of NaOH present in 0.01 L of a 2.0 M NaOH solution.
0.8 grams
1.25 grams
0.3 grams
0.02 grams
Tags
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A solution is made by dissolving 0.50 mole of NaCl in enough water to give a final volume of 400.0 mL. What is the molarity of the solution?
0.10 M
0.40 M
1.25 M
2.33 M
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A 0.500 M solution of NaOH, which contains 0.750 mole of solute, would have a volume, in milliliters
0.667 mL
1200 mL
1500 mL
2100 mL
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the volume, in liters, of a solution with 10.0 M and 2.00 moles of NaOH?
120 L
200 L
0.200 L
125 L
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What volume of 1.50 M KBr can be made from 15.6 mL of concentrated KBr with a molarity of 9.65 M?
Tags
NGSS.HS-PS1-7
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
125.0 mL of 2.00 M calcium hydroxide solution is diluted to a concentration of 1.50 M. How many mL of water was added to the original volume?
167 mL
42.0 mL
93.8 mL
0.0240 mL
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