e. The particles in both compounds and solutions are uniformly distributed.
A certain vinegar is 6.02% acetic acid (HC2H3O2), by mass. How many grams of acetic acid are contained in a 355 mL bottle of vinegar. Assume a density of 1.01 g/mL.
Answer
a. 21.6 g
b. 6.02 g
c. 1.01 g
d. 18.06 g
e. 38.5 g
How many grams of potassium nitrate are present in 5.0 x 102 mL of 0.080M KNO3?
Answer
a. 4.0 g
b. 6.8 g
c. 12 g
d. 2.1 g
e. 0.05 g
Which of the following statements is incorrect?
Answer
a. A solvent dissolves another substance.
b. A solution is a heterogeneous mixture.
c. A solution can contain more than one solute.
d. A solute is a substance that is dissolved in another substance.
e. Two immiscible liquids do not form a solution.
The solubility of NaCl in water at 30 oC is 37.0 g per 100 mL of water. When 12.0 g of NaCl is mixed with 40.0 mL of water, which of the following best describes the combination?
Answer
a. A saturated solution is formed.
b. A saturated solution is formed and solid remains.
c. A supersaturated solution is formed.
d. A heterogeneous mixture is formed.
e. An unsaturated solution is formed.
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