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Question: Which of the following solutions has pH = 11 –...

Which of the following solutions has pH = 11 –

A

1 × 10–11 M NaOH

B

1 × 10–3 M HCl

C

1 × 10–3 M NaOH

D

1 × 10–11 M HCl

Answer

1 × 10–3 M NaOH

Explanation

Solution

10–3 M NaOH has [OH] = 10–3

or [H+] = 10–11. Hence pH = 11.