Ph larutan garam (nh4)2so40,2 m.jika diketahui (kbnh3=4x10-5)
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Ph larutan garam (nh4)2so40,2 m.jika diketahui (kbnh3=4x10-5)
1 Jawaban
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1. Jawaban Robinn
(NH4)2SO4
[H+] = âKw / Kb . n . M
[H+] = â10^-14 /4 x 10^-5 . 2 . 2 x 10^-1
[H+] = â10^-9 . 10^-1 x 4 / 4
[H+] = â10^-10
[H+] = 10^-5
pH = -log[H+]
pH = -log10^-5
pH = 5