Mr(MgCl2) = Ar(Mg) + Ar(Cl) * 2 = 24.305 + 35.453 * 2 = 95.211
Mr(Na3P) = Ar(Na) * 3 + Ar(P) = 22.98976928 * 3 + 30.973762 = 99.94306984
Mr(N2O3) = Ar(N) * 2 + Ar(O) * 3 = 14.0067 * 2 + 15.9994 * 3 = 76.0116
Mr(K2S) = Ar(K) * 2 + Ar(S) = 39.0983 * 2 + 32.065 = 110.2616
Объяснение:
Mr(MgCl2) = Ar(Mg) + Ar(Cl) * 2 = 24.305 + 35.453 * 2 = 95.211
Mr(Na3P) = Ar(Na) * 3 + Ar(P) = 22.98976928 * 3 + 30.973762 = 99.94306984
Mr(N2O3) = Ar(N) * 2 + Ar(O) * 3 = 14.0067 * 2 + 15.9994 * 3 = 76.0116
Mr(K2S) = Ar(K) * 2 + Ar(S) = 39.0983 * 2 + 32.065 = 110.2616
Объяснение: