At 90^∘C , pure water has [H3O+] as 10^−6 mol L^−1. What is the value of Kw at 90^∘C ? At 90∘C pure water has [H3O+] as 10^−6 mol L^−1. What is the value of Kw at 90^∘C ? June 2, 2021 Category: Chapter 7 - Equilibrium , Chemistry , JEE Adv and Mains Chemistry 41 Years Solved Video Solutions 1979 - 2019 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related