Question
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.