MEDIUMMCQ SINGLENEET ChemistryPhysical ChemistryIonic equilibriumSelf-ionization of Water
At 90oC, pure water has H3O+ ion concentration of 10-6 mol/L. The Kw at 90oC is
A.10–5
B.10–14
C.10–12✓ Correct
D.10–3
Explanation
6 6 w K H OH 10 10 x 12 10 H OH
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