М(Cl2O) = 35*2 + 16 =86
M(KF) = 39 + 19 = 58
M(CsOH) = 133 + 16 + 1 = 150
M(HF) = 1 + 19 = 20
M(MgCl2) = 24 + 35*2 = 94
M(KF)=39+19=58
M(CsOH)=133+16+1=150
M(HF)=1+19=20
M(MgCl)=35.5+24=59.5
М(Cl2O) = 35*2 + 16 =86
M(KF) = 39 + 19 = 58
M(CsOH) = 133 + 16 + 1 = 150
M(HF) = 1 + 19 = 20
M(MgCl2) = 24 + 35*2 = 94