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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