November 2019 1 17 Report
Banyaknya kristal natrium asetat ( Mr = 82 ) yang harus dilarutkan dalam air hingga volume 500 ml agar diperoleh larutan dengan pH = 9 adalah.. ( Ka CH3COOH = 10^-3 )

A. 0,41

B. 0,82

C. 4,10

D 8,20

E. 41,00

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