①配制500ml,2摩尔每毫升的Na2So4溶液需要Na2So4H2O质量多少?500ml,2摩尔每毫升的Na2So4溶液中溶质Na2SO4的物质的量为nNa2SO4=05x2=1mol1Na2SO4——1Na2SO4H2O需要Na2SO4H2O的量也为1mol,1molNa2SO4H2O质量为160克Nax中na物质2023-05-26新手学堂230