Question
Question: At a certain temperature, pure water has hydronium ion concentration equal to 10<sup>–6.5</sup>mol L...
At a certain temperature, pure water has hydronium ion concentration equal to 10–6.5mol L–1. The value of Kw at this temperature will be –** **
A
10–6.5
B
10–13
C
10–1.4
D
10–13.5
Answer
10–13
Explanation
Solution
Kw = 10–6.5 × 10–6.5 = 10–13