【正文】
1g/cm3 =3 =:質(zhì)量分?jǐn)?shù)為 10%的鹽酸 5g加水稀釋至250g后取出 10g,則此 10g溶液中溶質(zhì)的質(zhì)量分?jǐn)?shù)是多少?配制溶質(zhì)的質(zhì)量分?jǐn)?shù)為 10%的稀鹽酸200g,需溶質(zhì)的質(zhì)量分?jǐn)?shù)為 38%(密度為 )的濃鹽酸約多少毫升? 50g鹽酸 5與鋅完全反應(yīng),得,求鹽酸的溶質(zhì)的質(zhì)量分?jǐn)?shù)? 某鹽酸溶液 100g,與 13g含雜質(zhì) 5%的鋅完全反應(yīng),這種鹽酸的溶質(zhì)質(zhì)量分?jǐn)?shù)是多少 ?溶質(zhì)質(zhì)量分?jǐn)?shù)在化學(xué)方程式中應(yīng)用謝謝觀看 /歡迎下載BY FAITH I MEAN A VISION OF GOOD ONE CHERISHES AND THE ENTHUSIASM THAT PUSHES ONE TO SEEK ITS FULFILLMENT REGARDLESS OF OBSTACLES. BY FAITH I BY FAITH