WorksheetsMolarity & Dilutions
Total questions: 15
Worksheet time: 59mins
How do chemists describe the "strength" or concentration of a solution?
molarity
concentrated
diluted
strong
How do chemists calculate molarity?
grams/mole
moles/Liter
ounces/container
What is the molarity of 0.50 moles of NaCl in 0.25 L of solution?
1.0 M
0.5 M
2.0 M
1.5 M
Determine the molarity of 2.25 moles of sulfuric acid, H2SO4, dissolved in 725 mL of solution.
322 M
3.10 M
0.325 M
2.25 M
10.74 mol
0.0695 mol
1.07 mol
62.7 mol
9.5 mol
0.66 mol
1.5 mol
15 mol
If 20.0 mL of a 3.80 M solution is diluted to 50.0 mL, what is the ending molarity?
1.52
2.67
2.95
5.62
If 50.0 mL of a 0.78 M solution is diluted to 90.0 mL, what is the ending molarity?
.14
.43
14.2
43.3
If 30.0 mL of a solution that has a 1.82 M is diluted to 1.14 M, what is the VOLUME of my ending solution?
.07mL
19mL
47.9mL
63.8mL
What is the molarity of 4.00 grams of KNO3 in 3.80 L of solution?
0.0104 M
0.0207 M
1.05 M
1.08 M
1.5 L
0.060 L
0.67 L
2.3 L
Calculate the molarity of the following solution: 400.0 g of CuSO4 (molar mass = 159.60 g/mol) in 4.00 L solution.
100. M
251 M
0.627 M
1.60 M
15.9 M
0.636 M
0.642 M
1.59 M
If you have 34 mL of a 0.5 M NaBr solution, what will the concentration be if 56 mL of water is added to it (add both volumes together for V2)?
.189 M
3.78 M
.389 M
1.76 M
27.8 mL
27.78 mL
2.8 mL
278 mL
