October 2018 2 656 Report
Jika Kb NH4OH=1,8x10^-5 maka besarnya NH4Br(Mr=98) yang harus dilarutkan dalam 500 mL larutan untuk mendapatkan larutan dengan pH=5-log2 adalah..
a.0,36 gram
b.0,72 gram
c.3,53 gram
d.35,3 gram
e.353 gram
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