Jawab : 4,5 × 10^20 molekul
2C2H2 + 3O2 ==> 2CO2 + 2H2O
Mol CO2 + H2O = 2+2 = 4 mol
4 mol setara 6×10^20 molekul
O2 = 3 mol = 3/4 × 6×10^20
= 4,5×10^20 molekul
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Jawab : 4,5 × 10^20 molekul
2C2H2 + 3O2 ==> 2CO2 + 2H2O
Mol CO2 + H2O = 2+2 = 4 mol
4 mol setara 6×10^20 molekul
O2 = 3 mol = 3/4 × 6×10^20
= 4,5×10^20 molekul