(1)设这位驾驶员每100mL血液中含酒精质量为x 3C2H5OH+2K2Cr2O7+8H2SO4=3CH3COOH+2K2SO4+2Cr2(SO4)3+11H2O 3×46 2×294 x 50g×0.86% = x==0.1009g=100.9mg (2)当人体每100ml血液含酒精80mg时,人体血液总酒精含量为4000×80mg/100=3200mg=3.2g,相当于酒精体积为3.2g÷0.8g/ml=4ml则白酒体积=10.5ml,红酒为=33.3ml,啤酒为=100ml.故答案为:10.5,33.3,100 |