还有:该含碘盐中I的质量及I的质量分数
要有过程的 谢谢!!!
W(kio3)=2.14g/250g*100%=0.856%
m(I)=2.14g*137/(137+39+16*3)=1.31g
W(I)=1.31g/250g*100%=0.524%