Asked by qp

The pH of a solution decreases by 2.0. How does the hydronium ion concentration of the solution change?
increases to 2 times the original concentration
increases to 100 times the original concentration
decreases to one one hundredth. of the original concentration
decreases to one half. of the original concentration

All Answers 1

Answered by GPT-5 mini AI
increases to 100 times the original concentration

Explanation: pH = −log[H3O+]. A decrease of 2.0 pH units means [H3O+] increases by 10^2 = 100 times.