1.73
NaCO3+2HCl=2NaCl+CO2+H2O
73 44
73*10% M
M=4.4g
放出气体的总质量为4.4g.
2.NaCO3+2HCl=2NaCl+CO2+H2O
106 73
x 73*10%
x=10.6g
纯碱中Na2CO3的纯度=10.6/20=53%
1.73
NaCO3+2HCl=2NaCl+CO2+H2O
73 44
73*10% M
M=4.4g
放出气体的总质量为4.4g.
2.NaCO3+2HCl=2NaCl+CO2+H2O
106 73
x 73*10%
x=10.6g
纯碱中Na2CO3的纯度=10.6/20=53%