Chapter 15 Quiz Form A

Which solution of sodium bromide in water has the lowest molarity?

• Solution A

• Solution B

• Solution C

• Solution D

Answer explanation

Lesson 80

If you have 4 moles of glucose in 2 L of solution, what is the concentration of the solution?

• 0.5 M

• 2 M

• 4 M

• 8 M

Answer explanation

Lesson 80

Which unit can be used to express solution concentration?

• a. J/g

• L/g

• mol/L

• L/mol

Answer explanation

Lesson 80

What happens to the density of a solution if the concentration of the solution is increased?

• If the concentration increases, the density also increases.

• If the concentration increases, the density decreases.

• There is no relationship between concentration and density of a solution.

• It is impossible to tell from the information given.

Answer explanation

lesson 83

How many grams of salt are in 3.00 L of 0.500 M NaCl?

Round your answer to the nearest tenth.

Mathematical Equivalence

ON

Answer explanation

Lesson 82

If you have 0.10 L of a 0.50 M KBr solution, how many grams of KBr do you have? (MM KBr= 119 g/mol)

Round your answer to the nearest tenth.

Mathematical Equivalence

ON

How many grams of glucose, C₆H₁₂O₆, would you need to make 250 mL of 1.0 M solution? (MM = 180.1 g/mol)

Rond your answer to the nearest whole number.

Mathematical Equivalence

ON

Answer explanation

Lesson 82

The Environmental Protection Agency has set the maximum

contaminant level for fluorine, F, in drinking water at 0.0040

g/L of drinking water. What is the maximum contaminant

level in moles per liter in scientific notation? Is it safe to

drink a glass of water in which the

concentration of fluorine is 1.0 × 10^-2 M?

The beaker shown below contains a 0.58 M solution of dye in water. How many moles of dye are there in the beaker?

• 0.87 mol

• 0.58 mol

• 0.15 mol

• 0.087 mol

How many moles of sodium nitrate are in 0.85 L of a 0.28 M NaNO₃ solution?

• 0.24 mol

• 24 mol

• 3.1 mol

• 0.33 mol