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At 90^@C pure water has [H3O^+] = 10^-6 ...

At `90^@C` pure water has `[H_3O^+]` = `10^-6` mol/ litre. The value of `K_w` at `90^@C` is:

A

`10^(-6)`

B

`10^(-12)`

C

`10^(-14)`

D

`10^(-8)`

Text Solution

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The correct Answer is:
B
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