Oblicz zawartość procentową (procent masowy) metalu w wodorotlenku glinu (mH=1u, mO=16u, mAL=27).
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Verified answer
mAl(OH)3=27 u+3*16 u+3*1 u=78 u
27 u---x%
78 u---100%
x=34,62%Al