Question

What is the pH when the [H+] is 1 x 10^-3 M

A. 2
B. 3
C. -3
D. 4

Answer 1

3

Step-by-step explanation:

PH = -Log [H+]

PH = -Log [1 × 10^-3]

PH = -Log [10^-3]

Log (10) = 1

PH = -(-3) Log (10)

PH = 3 × 1

PH = 3