The equation for the pH of a substance is pH = –log[H+], where H+ is the concentration of hydrogen ions. What is the approximate

Question

3 years ago

12

pH of a solution whose hydrogen ion concentration is 2*10^-9
A. 1.0
B. 2.9
C. 8.7
D. 9.3

2 answers:

wariber [46] · Answer 1 · 2022-03-13T14:36:48+03:00

6 0

Answer:

ANSWWER IS C.8.7

Step-by-step explanation:

I JUST TOOK THE TEST

Korolek [52] · Answer 2 · 2022-03-13T12:51:00+03:00

5 0

PH = -log[H+]
= -log(2*10^-9)
= -(log(2) +log(10^-9))
= -(0.3 -9)
= 8.7

The appropriate choice is
C. 8.7