ijW(xu)dȤСMһƿȻccwƷM(jn)DʾČ(sh)(yn)
Ո(j)ϢӋ(j)㣨Y(ji)С(sh)c(din)λ
1(yng)ɳ|(zh) g
2Ʒc|(zh)
3VҺȻc|(zh)?jn)?sh)
111.65 27.1g 36.25%
ԇ}1(j)|(zh)غ㶨(yng)ɳ|(zh)10g+87g+54.65g140g=11.65g
ʴ𰸞飺11.65
2⣺O(sh)Ʒc|(zh)x(yng)ɵȻc|(zh)y
Na2SO4+BaCl2=BaSO4+2NaCl
142 233 117
x 11.65 g y
142233=x11.65gx=7.1g
3233117=11.65gyy=5.85g
VҺȻc|(zh)=10.00g7.1g+5.85g=8.75g
VҺȻc|(zh)?jn)?sh)飺100%=6.25%
𣺣2Ʒc|(zh)7.1g3VҺȻc|(zh)?jn)?sh)6.25%
c(din)(j)W(xu)(yng)ʽӋ(j)㣮
c(din)u(png)}y^ҪԻW(xu)ʽӋ(j)A(ch)ͬr(sh)ҺȷӋ(j)}@ӵ}Ŀһֱпğc(din)ҪB(yng)W(xu)ľCϷӋ(j)
ĿлW(xu) Դ }ͣ
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ijУW(xu)dȤСMһƿȻccwƷM(jn)DʾČ(sh)(yn)
Ո(j)ϢӋ(j)㣨Y(ji)С(sh)c(din)λ
1(yng)ɳ|(zh)_________g
2Ʒc|(zh)
3Ȼc|(zh)?jn)?sh)
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