Problem: Which one of the following statements regarding Kw is false?a. pKw is 14.00 at 25°Cb. The value of Kw is always 1.0 x 10-14.c. Kw changes with temperature.d. The value of Kw shows that water is a weak acid.e. Kw is known as the ion product constant of water. 

FREE Expert Solution

a. pKw is 14.00 at 25°C
At 25°C, Kw = 1.0x10-14


pKw = -logKw

pKw = -log(1.0x10-14)

pKw = 14.00


true


b. The value of Kw is always 1.0 x 10-14.
At 25°C, Kw = 1.0x10-14

But at different temperature, Kw is different

false


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Problem Details

Which one of the following statements regarding Kw is false?

a. pKw is 14.00 at 25°C

b. The value of Kw is always 1.0 x 10-14.

c. Kw changes with temperature.

d. The value of Kw shows that water is a weak acid.

e. Kw is known as the ion product constant of water. 

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