October 2018 1 190 Report
Massa CH3COONa (Mr = 82) yang harus dilarutkan dalam 100 ml larutan agar diperoleh larutan dengan pH = 9, Ka CH3COONa = 10 pangkat -5 adalah........
tolong bantu ngerjainnya pakai cara ya.
a. 8,20 gram
b. 4,10 gram
c. 2,05 gram
d. 0,82 gram
e.0,41 gram
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