Problem: Given that the [H3O+] of pure water is 7.24 × 10–7 M at 100 °C, determine pKw of pure water at this temperature.A. 6.14 B. 12.3 C. 7.24 D. 14.0 E. 15.2

FREE Expert Solution

We’re being asked to determine the value of pKw for pure water  given that the [H3O+] is 7.24 × 10–7 M at 100 °C


Recall that Kw is the autoionization constant of water, and is given by:


Kw=H+OH-


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Problem Details

Given that the [H3O+] of pure water is 7.24 × 10–7 M at 100 °C, determine pKw of pure water at this temperature.

A. 6.14 

B. 12.3 

C. 7.24 

D. 14.0 

E. 15.2

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