BaCl2+Na2SO4=BaSO4↓+2NaCl
根据质量守恒:BaSO4=50+ 100 + 200 —326.7=23.3
BaCl2+Na2SO4=BaSO4↓+2NaCl
23.3 23.3 46.6
由此可得:CuCl2=50-23.3=26.7
1.BaCl2%=23.3/200×100%=11.65%
2.所得溶液的溶质有两种:(1)CuCl2%=26.7/326.7×100%=8.17%
(2) NaCl%=46.6/326.7×100%=14.26%
BaCl2+Na2SO4=BaSO4↓+2NaCl
根据质量守恒:BaSO4=50+ 100 + 200 —326.7=23.3
BaCl2+Na2SO4=BaSO4↓+2NaCl
23.3 23.3 46.6
由此可得:CuCl2=50-23.3=26.7
1.BaCl2%=23.3/200×100%=11.65%
2.所得溶液的溶质有两种:(1)CuCl2%=26.7/326.7×100%=8.17%
(2) NaCl%=46.6/326.7×100%=14.26%