August 2018 1 4K Report
1. tentukan ph dari larutan berikut
a. 100 ml larutan Na2S 0,1 M (ka H2S = 9,5 x 10^ -8)

d. larutan HCOONH3 0,5 M (ka hcooh= 1,8 x 10^ -4 dan kb= 1,8 x 10^ -5))




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