Question

What is pH a measure of?

a. density
b. solute concentration
c. hydrogen-ion concentration
d. ion concentration in a solution

Answer 1

c. hydrogen-ion concentration

Step-by-step explanation:

pH is a logarithmic measure of the hydrogen ion concentration of an aqueous solution pH = -log[H + ] where log is the base 10 logarithm and [H + ] is the hydrogen ion concentration in moles per liter

Answer 2

it measures the acidity/basic level, that rules A out
hope this helped a little