设Na2CO3的质量为x,CaCI2的质量为y,NaCl的质量为z
Na2CO3+CaCI2=CaCO3+2NaCl
106 111 100 117
X y 5g z
计得 x=5.3g y=5.55g z=5.85g
Na2CO3%=5.3g/40*100%=13.25%
m(H2O)=(40g-5.3g)+(65g-5.55g)=96.85g
NaCl%=5.85g/96.85g*100%≈6%
设Na2CO3的质量为x,CaCI2的质量为y,NaCl的质量为z
Na2CO3+CaCI2=CaCO3+2NaCl
106 111 100 117
X y 5g z
计得 x=5.3g y=5.55g z=5.85g
Na2CO3%=5.3g/40*100%=13.25%
m(H2O)=(40g-5.3g)+(65g-5.55g)=96.85g
NaCl%=5.85g/96.85g*100%≈6%