che cua A:[He]2s2 2p2=>C(M=1 2)dat ct tong quat
AxBy(CxBy)
ko biet thay p co bac phai gia su ko minh lam theo cach hoi xua thay minh chi
gia su 1mol=>m=154
=>mC=%mA*mhh/100=12.012=12
=>nC=1=>x=nC/nhop chat=1
=>CBy
nB=nhopchat*y
=>MB=mB/y=(154-12)/y=142/y
BL
y=1,2,3,4
y=1=>MB=142loai
y=2=>MB=71loai
y=3=>MB=47.33loai(Ma chac hoa tri nay C ko co dau)
y=4=>MB=35.5=>Cl
CT HC:CCl4