October 2018 1 117 Report
Sebanyak 0,5 mol logam besi (fe) direaksikan dengan 1,5 mol oksigen (O2) sehingga menghasilkan Fe2O3 jika diketahui massa molekul relatif (Mr) Fe2O3 adalah 160, maka massa Fe203 adalah...
A. 20 gr
B. 30 gr
C. 40 gr
D. 50 gr
E. 60 gr

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