Moles and Molarity

What is the molarity of 2 moles of NaCl in 8 L of solution?

• 16 M
• 0.25 M
• 4 M
• 2 M

How many liters would you need to get 0.5 moles if you had a 0.1M solution?

• 0.05 liters
• 0.2 liters
• 5 liters
• 2 liters

How many moles are in 3 L of 0.6 M solution?

• 1.8 moles
• 0.2 moles
• 5 moles
• 0.6 moles

What is the molarity of a solution made from 325.4g of AlCl₃ with enough water to make 500.0 mL?

• 650 M
• 4.880 M
• 2.440 M
• 1.2 M

You have 286.7g of PbO. For lab, you need 2.50M PbO. How many Liters of PbO solution can you make?

• 114 L
• 3.2 L
• 0.514 L
• 1.95 L

Find the molarity of 186.55 g of sugar (C₁₂H₂₂O₁₁) in 250. mL of water.

• 2.18 M
• 85.5 M
• 1.18 M
• .00218 M

How many grams of solute are dissolved in 125.0 mL of 5.00M NaCl?

• 0.625 g NaCl
• 1.45 g NaCl
• 36.5 g NaCl
• 11.6 g NaCl

What is the molarity of a solution which contains 22.41 grams of NaCl in 50.0 mL of solution?

• 0.488 M
• 0.77 M
• 7.67 M
• 0.00767 M

How many moles of NaCl are present in a solution with a molarity of 8.59M and 125 mL of solution?

• 58 mol
• 62.7 mol
• 1.07 mol
• 0.145 mol

How many milliliters of solution can be made from 45.75 grams of potassium iodide if you need a solution with 2.55 M?

• 108 L
• 0.108 L
• 0.056 mL
• 216 mL