MnO
M(MnO) = 55+16 = 71 g/mol
W(Mn) = 55 / 71*100% = 77.46 %
Mn2O3
M(Mn2O3) = 55*2+16*3 = 158 g/mol
W(Mn) = 55*2 / 158 *100% = 69.62%
Объяснение:
MnO
M(MnO) = 55+16 = 71 g/mol
W(Mn) = 55 / 71*100% = 77.46 %
Mn2O3
M(Mn2O3) = 55*2+16*3 = 158 g/mol
W(Mn) = 55*2 / 158 *100% = 69.62%
Объяснение: