CaCO3 + 2HCl == CaCl2 + H2O + CO2
100 2x36.5 44
m(CaCO3) m(HCl) 2.2g
m(CaCO3)=5g m(HCl)=3.65g
1、碳酸钙质量分数=5/6=83%
2、盐酸质量分数=3.65/50=7.3%
CaCO3 + 2HCl == CaCl2 + H2O + CO2
100 2x36.5 44
m(CaCO3) m(HCl) 2.2g
m(CaCO3)=5g m(HCl)=3.65g
1、碳酸钙质量分数=5/6=83%
2、盐酸质量分数=3.65/50=7.3%