1)根据质量守恒定律,M(CO2)=100t-64.8t=35.2t
2)设碳酸钙质量为X
CaCO3=高温=Cao+CO2↑
100 44
X 35.2t
由比例式可得出X=80t
则CaCO3%=80t/100t*100%=80%
3)M(CaO)=80t-35.2t=44.8t
CaO%=44.8t/64.8t*100%≈69.1%
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1)根据质量守恒定律,M(CO2)=100t-64.8t=35.2t
2)设碳酸钙质量为X
CaCO3=高温=Cao+CO2↑
100 44
X 35.2t
由比例式可得出X=80t
则CaCO3%=80t/100t*100%=80%
3)M(CaO)=80t-35.2t=44.8t
CaO%=44.8t/64.8t*100%≈69.1%
【帮到你的话,请“采纳”谢谢!】