December 2018 1 29 Report
Sebanyak 5 gram senyawa karbon dibakar sempurna dengan oksigen dihasilkan 5,6L gas CO2 (STP). Bila Ar C=12 , persentase karbon dalam senyawa adalah.... (mohon pakai cara)
A.10%
B.20%
C.40%
D.60%
E.80%
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