WorksheetsMolarity
Total questions: 15
Worksheet time: 15mins
What is the final molarity when 200 mL of a 3 M solution is diluted to 600 mL?
0.5 M
1.0 M
1.5 M
2.0 M
How many moles of solute are present in 3 liters of a 4 M solution?
3 moles
4 moles
8 moles
12 moles
If you have 250 mL of a 0.8 M solution, how many moles of solute are present?
0.1 moles
0.2 moles
0.3 moles
0.4 moles
What volume of 1.5 M solution is needed to provide 0.75 moles of solute?
0.25 L
0.5 L
1.0 L
1.5 L
A solution is made by dissolving 20 grams of glucose (molar mass = 180.16 g/mol) in enough water to make 1 liter of solution. What is the molarity of the solution?
0.111 M
0.222 M
0.333 M
0.444 M
What is the molarity of a solution prepared by dissolving 15 grams of NaOH (molar mass = 40 g/mol) in 750 mL of solution?
0.5 M
1.0 M
1.5 M
2.0 M
If you dilute 100 mL of a 5 M solution to a final volume of 1 liter, what will be the molarity of the diluted solution?
0.1 M
0.5 M
1.0 M
2.0 M
Calculate the molarity of a solution made by dissolving 25 grams of H 2 SO 4 (molar mass = 98.08 g/mol) in 2 liters of solution.
0.127 M
0.255 M
0.382 M
0.510 M
Molarity is defined as ______ per _____.
grams solvent, mols solute
liters solution, mols solute
mols of solvent, liters solute
mols solute, liters solvent
Molarity is measured in
moles per kg
mols per L
moles per kJ
moles per mL
Which of the following is the correct formula for calculating molarity?
moles of solute/ volume of solution (L)
moles of solute/ / mass of solution (g)
# particles/ Avogadro's #
mass of solute (g)/ volume of solution (L)
Use the equation M = n (moles of solute) / V (volume in liters). A solution having a volume of 5.0 L contains 1.5 moles of solute. What is the molarity of the solution?
a. 7.5 M
b. 3 M
c. 0.3 M
d. 3.3 M
What is the molarity of a solution prepared by dissolving 10 grams of NaCl (molar mass = 58.44 g/mol) in 500 mL of solution?
0.342 M
0.684 M
0.171 M
0.513 M
A laboratory experiment requires 0.5 moles of KCl. If you have a 2 M KCl solution, what volume of this solution is needed?
0.25 L
0.5 L
0.75 L
1.0 L
If 100 mL of a 6 M solution is mixed with 200 mL of water, what is the final molarity of the solution?
2 M
3 M
4 M
1 M
