WorksheetsMolarity and Dilution Calculations
Total questions: 15
Worksheet time: 50mins
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
The term molar, which describes a solution's concentration, is written as?
M
mol
g
g/L
Calculate the Molarity in a solution containing 40.0 g of NaCl dissolved in 500.0 ml of H2O.
0.08 M
12.5 M
1.37 M
0.74 M
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
If I have 340 mL of a 0.5 M NaBr solution, what will the concentration be if I add 560 mL more water to it?
.188 M
3.78 M
.389 M
1.76 M
How many mL of 10.8M HCl are required to make 100.0 mL of 3.00M acid?
27.8 mL
.278 mL
2.8 mL
278 mL
If I have 340 mL of a 0.5 M NaBr solution, what will the concentration be if I add 560 mL more water to it?
.188 M
3.78 M
.389 M
1.76 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
