Measurements show that the pH of a particular lake is 4.0. What is the hydrogen ion concentration of the lake? a. 4.0 M b. 10−10M c. 10−4M d. 104M

A substance that minimizes changes in the concentration of H⁺ and OH^– in a solution is a __________.

A glass of grapefruit juice, at pH 3, contains __________ H⁺ as a glass of tomato juice, at pH 4.

A solution at pH 6 contains __________ than the same amount of solution at pH 8.

What is the hydroxide ion concentration of the lake described in question 3? a. 10−10M b. 10−4M c. 10−7M d. 10.0 M

A solution at pH 6 contains _________ H+ than the same amount of a solution at pH 8. a. 20 times more b. 100 times more c. 2 times less d. 100 times less

A can of cola consists mostly of sugar dissolved in water, with some carbon dioxide gas that makes it fizzy and makes the pH less than 7. In chemical terms, you could say that cola is an aqueous solution where water is the _________ , sugar is a _________ , and carbon dioxide makes the solution _________ . a. solvent . . . solute . . . basic b. solute . . . solvent . . . basic c. solvent . . . solute . . . acidic d. solute . . . solvent . . . acidic

If you were given a solution that has a pH of 8.5, what would be its concentration of protons? What is the difference in proton concentration between this solution and one that has a pH of 7?