WorksheetsChemistry: Molarity and Dilution
Total questions: 10
Worksheet time: 15mins
When you make a dilution, which of these values remains constant?
The molarity (M)
The total moles of solute
The volume (V)
The concentration
How do we make a dilution?
Add more solute
Remove solute
Remove solvent
Add more solvent
A solution that has water as the solvent is called a(n).....
Aqueous Solution
Water-Based Solution
Organic Solution
Dilute Solution
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
What is the molarity of a solution containing 400 g of CuSO4 (FM: 159.6 g/mol) in 4.0 L of solution?
100 M
1.6 M
0.626 M
0.01 M
How many moles of solute are present in 50.0 mL of 0.20M KNO3?
10.0 moles solute
0.05 moles solute
1.00 moles solute
0.01 moles solute
How many mL of stock solution of 2M NaCl do you need to prepare 100 mL of 0.150M NaCl?
7.5 mL
15 mL
1333 mL
200 mL
How many mL of 1.0M KBr solution would you need to prepare 250 mL of a 0.2M dilution?
175 mL
250 mL
50 mL
5 mL
What would the molarity of a solution be if you took 10 mL of a 13M stock solution and made a 300 mL solution?
390M
230M
0.43M
0.26M
You are adding a chlorine solution to a swimming pool. The stock solution of chlorine is 1000M. Your swimming pool (75,000 L) needs to be at a concentration of 0.1M. How much of the stock solution should you add?
7500 L
.75 L
750 L
7.5 L
