Question

计算1摩尔物质的体积物质 摩尔质量/g/mol 密度 1mol物质的体积 Al 26.98 2.70g/cm Fe 55

Answer 1

设各物质各有1mol则v=m/ρv(Al)=26.98/2.7=9.99……v(Fe)=56/7.86=7.……v(H2O)=18.02/0.998=18.056……v(C2H5OH)=46.07/0.789=58.39……v(H2)=2.016/0.0899=22.4249……v(N2)=28.02/1.25=22.416v(CO)=28.01/1.25=22.408