at what pH at 100 degree celsius, the solution will be basic. (Kw at 100oC is 5.6 * 10-13)
1. 7
2. 6.125
3. 6.9
4. 7.1

KW = [H+] [OH-]5.6 × 10-131 × 10-6 =  [H+] 5.6 × 10-7 = [H+]pH =- log H+   = - log 5.6 × 10-7     = 7 - log 5.6   = 7-0.7482    = 6.25This value is closer to 6.125 

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