Odpowiedź :
m MgBr₂ = 24u+2*80u=184u
% Mg = 24u/184u*100%=13%
% Br = 160u/184u*100%=87%
m N₂O₃ = 2*14u+3*16u=28u+48u=7u
% N = 28u/76u*100%=37%
% O = 48u/76u*100%=63%
m MgBr₂ = 24u+2*80u=184u
% Mg = 24u/184u*100%=13%
% Br = 160u/184u*100%=87%
m N₂O₃ = 2*14u+3*16u=28u+48u=7u
% N = 28u/76u*100%=37%
% O = 48u/76u*100%=63%