既然是恰好完全反應(yīng),那么只要用氫氧化鈉來計(jì)算沉淀的質(zhì)量就可以了.NaOH--------1/2Cu（OH）240 49沉淀的質(zhì)量是49克.原硫酸銅溶液溶質(zhì)質(zhì)量分?jǐn)?shù)（49×160/98）/100=80%和所得溶液的溶質(zhì)質(zhì)量分?jǐn)?shù)71/（200-49）=47.02%Na...向10.6克碳酸鈉中加入100克稀鹽酸恰好完全反應(yīng)。求:(1)稀鹽酸中溶質(zhì)的質(zhì)量分?jǐn)?shù)。(2)反應(yīng)后溶液中溶質(zhì)的質(zhì)量分?jǐn)?shù)。:(1)稀鹽酸中溶質(zhì)的質(zhì)量分?jǐn)?shù)36.5×2×10.6/106/100=7.3%(2)反應(yīng)后溶液中溶質(zhì)的質(zhì)量分?jǐn)?shù)58.5×2×10.6/106/（10.6+100-44×10.6/106）=11.02%請問，44什么相對分子質(zhì)量？CO2