NaCl的分子式为23+35.5=58.5g/mol
10gNaCl含有10/58.5=0.1709mol
设NaCl-35为Xmol,NaCl-37为ymol,
x+y=0.1709
(23+35)x+(23+37)y=10
解得x=0.1270,y=0.0437
NaCl的分子式为23+35.5=58.5g/mol
10gNaCl含有10/58.5=0.1709mol
设NaCl-35为Xmol,NaCl-37为ymol,
x+y=0.1709
(23+35)x+(23+37)y=10
解得x=0.1270,y=0.0437