22.3+216.1-234=4.4g
Na2CO3+2HCl=====2NaCl+H2O+CO2↑
106 73 117 44
z X y 4.4g
x=7.3 y=11.7g z=10.6g
7.3/216.1*100%=3.5%
22.3-10.6=11.7g
(11.7+11.7)/234*100%=10%
纯手打 望采纳
22.3+216.1-234=4.4g
Na2CO3+2HCl=====2NaCl+H2O+CO2↑
106 73 117 44
z X y 4.4g
x=7.3 y=11.7g z=10.6g
7.3/216.1*100%=3.5%
22.3-10.6=11.7g
(11.7+11.7)/234*100%=10%
纯手打 望采纳