怎樣計(jì)算溶液的質(zhì)量分?jǐn)?shù)

發(fā)布時(shí)間：2025-11-04 | 來(lái)源：互聯(lián)網(wǎng)轉(zhuǎn)載和整理

①知道溶液質(zhì)量m(溶液)和溶質(zhì)質(zhì)量m(溶質(zhì))，則溶質(zhì)的質(zhì)量分?jǐn)?shù)為W(%)=[m(溶質(zhì))/m(溶液)]×100%;

②知道溶劑的質(zhì)量m1和溶質(zhì)的質(zhì)量m2,則溶質(zhì)的質(zhì)量分?jǐn)?shù)為W(%)=[m2/(m1+m2)]×100%;