October 2018 1 119 Report
Sebanyak 2,14 gr suatu garam dimasukkan ke dalam 200 ml larutan NH4OH 0,2 M (kb=10^-5) sehingga PH larutan menjadi 9 JIka diketahu Ar:
C=12 N=14 O=16 K=39 S=32 Cl=35,5 I=127 H=1
garam yang dimaksud adalah...(cari aja mr garamnya)
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