设生成氯化钠的质量为X
Na2CO3 + CaCl2 = CaCO3↓+2NaCl
111 100 117
y 10g X
100:117=10g:X 111/100=y/10g
X=11.7g y=11.1g
氯化钙溶液的质量分数=11.1g/50g*100%=22.2%
所得溶液的溶质质量分数=11.7g/(50g+77g-10g)*100%=10%
设生成氯化钠的质量为X
Na2CO3 + CaCl2 = CaCO3↓+2NaCl
111 100 117
y 10g X
100:117=10g:X 111/100=y/10g
X=11.7g y=11.1g
氯化钙溶液的质量分数=11.1g/50g*100%=22.2%
所得溶液的溶质质量分数=11.7g/(50g+77g-10g)*100%=10%