w(Al)=n•Ar(Al)/Mr(Al2O3)= 27•2/102=0.529 или 52.9%
w(Al)=n•Ar(Al)/Mr(AlF3•3NaF)= 27/210=0.129 или 12.9%
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w(Al)=n•Ar(Al)/Mr(Al2O3)= 27•2/102=0.529 или 52.9%
w(Al)=n•Ar(Al)/Mr(AlF3•3NaF)= 27/210=0.129 или 12.9%