An aqueous solution has [H+ ] ion concentration = 1.0 x 10-7mol-1. Its pH value is
A. +7
B. -7
C. 0.70
D. 10-7
Answer:A
An aqueous solution has [H+ ] ion concentration = 1.0 x 10-7mol-1. Its pH value is
A. +7 B. -7 C. 0.70 D. 10-7