May 2021 0 58 Report
2. hitung mol dari: a.) 11,2 gram logam Fe (Ar Fe = 56)

b.) 6 gram urea CO(NH2)2 (Ar C = 12, O 16, H= 1, N = 14)

c.) 50 gram CaCOs (Ar Ca = 40, C = 12, O= 16)​

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