Concentration

The ___ is the thing being dissolved

• solute
• solvent

What is the molarity of 4 grams of sodium chloride (NaCl) in 3,800 mL of solution?

• 0.018 M
• 0.018 m
• 1.052 M
• 1.052 m

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

• 1.074 mol
• 62.7 mol
• 1.07 mol
• 62.7 grams

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

• 0.488 M
• 7.66 M
• 7.67 M
• 0.00767 M

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

• 0.625 g NaCl
• 36.52 g NaCl
• 36.5 g NaCl
• 0.625 mol NaCl

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

• 2.18 molL^-1

• 2.17 molL^-1

• 1.18 molL^-1

• .00218 molL^-1

Solvent is best defined as-

• a mixture in which the substances are spread out evenly between one another and cannot be told apart
• the ability of a substance to dissolve in another substance
• a substance that dissolves in another substance
• a substance into which another substance dissolves

How many moles of solute are contained in 3.0 L of a 1.5 M solution?

• 4.5 moles
• 1.5 moles
• 2.0 moles
• 0.5 moles

What is the percent composition of a sugar solution where 10 grams of sugar is added to 100 grams of water?

• .10%
• 0.091%
• 9.090909%
• 9.1%

What mass of solute is needed to make 75.0 g of a 3.4% solution?

• 2.55 g
• 22 g
• 0.05 g