Chemistrymedium · Past Paper
What is the value of the ionic product of water ($K_w$) at 298 K?
A$10^{-7}$
B$10^{-14}$
C$10^7$
D$10^{14}$
✓ Correct Answer: B — $10^{-14}$
The product of [H+] and [OH-] in pure water is $10^{-14}$ at 25°C.
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