Ответ:
43.5%
Объяснение:
A(Al)=A(Al)/M(Al(NO3)3
27/3*62=0.435=43.5%
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Ответ:
43.5%
Объяснение:
A(Al)=A(Al)/M(Al(NO3)3
27/3*62=0.435=43.5%