M Al(OH)₃= 27u+ 3*16u+3*1u= 27u+48u+3u=78u M HCl= 1u+35u= 36u M HNO₃= 1u+14u+3*16u=63u M Al₂O₃= 2*27u+3*16u= 102u M K₂O= 2*39u+16u= 94u M Na₂O= 2*23u+16u= 62u M Fe₂O₃= 2*56u+3*16u= 160u M Al₂(so₄)₃= 2*27u+3*(32u + 4*16u)=342u M 2NO= 2*(14u+16u)= 60u Licze na NAJ
Al(OH)3= 27u+3·16u+3·1u=2u7+48u+3u=78u Al₂(SO₄)₃=2·27u+3·32u+12·16u=54u+96u+192u=342u HCl=1u+35u=36u HNO₃=1u+14u+3·16u=1u+14u+48u=63u Al₂O₃=2·27u+3·16u=54u+48u=102u 2NO=2·14u+2·16u=28u+32u=60u Na₂O=2·23u+16u=46u+16u=62u K₂O=2·39u+16u=78u+16u=94u Fe₂O₃=2·56u+3·16u=112u+48u=160u
