Solutions

Question 1

What is a solute?

Answer 1

The substance that is dissolved in a solvent in a solution.

Question 2

What is a solvent?

Answer 2

The substance in which the solute is dissolved.

Question 3

What is the universal solvent?

Answer 3

Water.

Question 4

What happens when a solution becomes saturated?

Answer 4

No more solute will dissolve.

Question 5

What are aqueous solutions?

Answer 5

Solutions that have water as the solvent and are important for living things.

Question 6

What is the dissociation of water?

Answer 6

The breaking apart of the water molecule into ions of opposite charge.

Question 7

Write the equation for the dissociation of water.

Answer 7

H2O to H+ and OH-.

Question 8

What is the hydroxide ion?

Answer 8

OH-.

Question 9

What is the hydrogen ion?

Answer 9

H+.

Question 10

What do acids produce?

Answer 10

Hydroxide ions.

Question 11

What does the pH scale measure?

Answer 11

The concentration of H+ ions.

Question 12

What is the pH range for acidic solutions?

Answer 12

0 to 7.

Question 13

What is the pH of a neutral solution?

Answer 13

7.

Question 14

What is the pH range for basic solutions?

Answer 14

Above 7 to 14.

Question 15

What are buffers?

Answer 15

Substances used in the body to control pH and keep it near neutral.

Question 16

What do buffers do?

Answer 16

Neutralize small amounts of either an acid or base added to a solution.