If the hydrogen ion concentration, [H+], in a solution is 5.39 x 10-8 M,
what is [OH-]?
1.86 x 1021 M
1.86 x 10-7 M

Areaction in which a, b, and c react to form products is zero order in a, one-half order in b, and second order in c. by what factor does the reaction rate change if the concentration of a is doubled? 1 by what factor does the reaction rate change if the concentration of b is doubled? 1.4 by what factor does the reaction rate change if the concentration of c is doubled? 4