Question

pH of 10*-8 N NaOH is. options are (a) 7.2 (b) 6.8 (c) 6.98. (d) 7.02​

Answer 1

Answer:

6.98

Explanation:

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Answer 2

d .....7.02

Explanation:

for this kind of question we do this

oh=10*-8

h+ conc.= 10*-7 + oh- conc

h += 10*-7 + 10*-8

by calcu.

h+= 1.1 *10*-8

hence

by calculate.

pH=7.04 or approx. 7.02