Question

Oblicz masę cząsteczkową dla:

Al(OH)3 , Al2(SO4)3 , HCL , HNO3 , Al2O3 , 2NO , Na2O , K2O , Fe2O3.

Czekam na odpowiedź ;)

Answer 1

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

 

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Answer 2

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