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一道初三的化学计算题，带过程，求解答…

2024-10-29 03:47:44

推荐回答（1个）

回答1：

（1）相对分子质量：C的相对原子质量12，H的相对原子质量1，O的相对原子质量16
12*2+1*5+16*1+1*1=46g
（2）质量分数：12*2=24g
C%=24g/46g=0.522=52.2%

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