摘要:25=0.2mol/L×0.1L×32g/mol+0.8mol×32g/mol=26.2g (2)n(Na2SO3)=12.6g÷126g·mol-1=0.1mol n(SO2)=0.1mol一0.2mol/L×0.1L=0.08mol V(SO2)=0.08mo1×22.4L/mol=1.792L 即 1792mL 26.3M + 8HNO3 = 3M(NO3)2 + 2NO‹+ 4H2O 8 2

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