ggad2
春芽
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n(气体) = 3.93/22.4 = 0.175mol
所以有:
n(CH4) + n(C3H8) = 0.175mol
16*n(CH4) + 44*n(C3H8) = 3.5g
解得n(CH4) = 0.15mol,n(C3H8) = 0.025mol
含甲烷16*0.15 = 2.4g
含丙烷22.4*0.025 = 0.56L
CH4~2O2
C3H8~5O2
共消耗O2体积 = 22.4*(0.15*2 + 0.025*5) = 9.52L
1年前
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