May 2019 1 33 Report
Jika pada reaksi K₂CrO₄ → Cr³⁺ + K⁺dihasilkan 1,8 gram air, maka massa K₂CrO₄ (Ar K = 39, Cr = 52, O = 16) yang terurai pada reaksi tersebut adalah … gram (Mr air = 18 gram/mol)

a. 17,76 gram
b.60,77 gram
c.77,60 gram
d. 77,00 gram
e. 56,67 gram


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