初中常見(jiàn)化學(xué)方程式及常用計(jì)算公式-資料下載頁(yè)
2025-06-15 20:45本頁(yè)面
【正文】 CO2C6H12O6+6O2初中常用計(jì)算公式1. 相對(duì)原子質(zhì)量=2. 元素質(zhì)量分?jǐn)?shù)=3. 含雜物的質(zhì)量純度=純凈物的質(zhì)量 純凈物的質(zhì)量247。純度=含雜物的質(zhì)量 物質(zhì)的純度=100%4. 溶液中溶質(zhì)質(zhì)量分?jǐn)?shù)=100% 溶質(zhì)質(zhì)量=溶液質(zhì)量溶質(zhì)質(zhì)量分?jǐn)?shù) 溶質(zhì)質(zhì)量=溶液質(zhì)量溶劑質(zhì)量5. 稀釋計(jì)算：溶質(zhì)質(zhì)量不變 濃溶液質(zhì)量濃溶液的質(zhì)量分?jǐn)?shù)=稀溶液質(zhì)量稀溶液質(zhì)量分?jǐn)?shù) 溶液質(zhì)量=溶液體積溶液密度6. 溶解度=100g7. 飽和溶液中溶質(zhì)質(zhì)量分?jǐn)?shù)=4
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