For the acids, use the formula ph=-log[H⁺]. (because HCI has 1H⁺ ion per formula unit, [H⁺] equals the molarity.) For water, use what you know about the pH of neutral solutions. For the bases, examine and extend the pattern on edge

What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.