设A的摩尔质量3M,B的摩尔质量就是5M,C的摩尔质量就是7M;
7molA.5molB.3molC总质量=21M+25M+21M=67M g;
能中和HCl=7+5+3=15mol;
现在5.36g,能中和的HCl只有5.36/(67M)×15=0.15;
M=8;
A:3M=24g/mol;
B:5M=40g/mol;
C:7M=56g/mol;
设A的摩尔质量3M,B的摩尔质量就是5M,C的摩尔质量就是7M;
7molA.5molB.3molC总质量=21M+25M+21M=67M g;
能中和HCl=7+5+3=15mol;
现在5.36g,能中和的HCl只有5.36/(67M)×15=0.15;
M=8;
A:3M=24g/mol;
B:5M=40g/mol;
C:7M=56g/mol;