数据不对吧
Na2CO3+2HCl==2NaCl+H2O+CO2↑
106 73 117 44
x y z 2.2g
106/x=73/y=117/z=44/2.2g
x=5.3g
y=3.65g
z=5.85g
13.3g-5.3g=8g
NaOH+HCl= NaCl+H2O
40 36.5 58.5
8g m n
40/8g=36.5g/m=58.5/n
m=7.3g
n=11.7g
稀盐酸质量:(3.65+7.3)g/14.6%=75g
反应所得溶液中溶质质量分数是:(11.7g+5.85g)/(13.3g+75g-2.2g)*100%=20.4%