October 2018 1 30 Report
1) kdalam 1lter lrutan asam asetat 0,1 M yg pH=3 ditambahkn natrium asetat supaya pHnya mnjadi 2 kali semula ( Ka=10^5 ) garam natrium asetat yg ditambahkan sebanyak........

2.) Sebanyak 11,2 gram KOH dilarutkan dlm 1 lter larutan HCN 0,3 M. Bila Ka HCN= 2.10^5 (K= 19; O=16; H=1) pH campuran tesebut adalh....
Tlng dengn cranya ya...
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