Worksheets03-24-25
Total questions: 15
Worksheet time: 30mins
As we dilute a solution.....
The volume increases and the molarity (M) increases
The volume increases and the molarity (M) decreases
The volume decreases and the molarity (M) increases
The volume decreases and the molarity (M) decreases
Molarity is ...
grams of solute/deciliters of solvent.
grams of solute/liters of solution.
moles of solute/liters of solution.
moles of solute/milliliters of solvent.
2 moles of H2O would weigh ____ grams
18 grams
9 grams
36 grams
2 grams
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?
.188 M
3.78 M
.389 M
1.76 M
How do chemists describe the "strength" or concentration of a solution?
molarity
concentrated
diluted
strong
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 2.5 L of a 4M solution of FeCl3 is diluted to a volume of 6 L by the addition of water, what is the molarity of the diluted solution?
2.5 M
4.17 M
6.25 M
1.67 M
1. If a chemist starts with 25 mL of 6M HCl and prepares a new solution with a concentration of 0.5M, what with be the new volume?
200 mL
500 mL
300 mL
400 mL
A chemist dilutes 25 mL of a 2M solution to make 500 mL of new solution. What is the molar concentration of the new solution?
0.1 M
0.2 M
0.5 M
1.0 M
