Mr(N2O3) = 14*2 + 16*3 =76
W(N) = Ar(N) * n / Mr(N2O3) *100% = 14*2 / 76 *100% =37%
Mr(Ba(NO3)2 = 137 + 14*2 + 16*6 =261
W(N) = Ar(N) * n / Mr(Ba(NO3)2 *100% =14*2 / 261 *100% =11%
Mr(N2O3) = 14*2 + 16*3 =76
W(N) = Ar(N) * n / Mr(N2O3) *100% = 14*2 / 76 *100% =37%
Mr(Ba(NO3)2 = 137 + 14*2 + 16*6 =261
W(N) = Ar(N) * n / Mr(Ba(NO3)2 *100% =14*2 / 261 *100% =11%