Объяснение:
2Al + 3S = Al2S3
n(Al2S3)=m/M=12/150=0.08моль
n(S)=3n(Al2S3)
m(S)=n×M=0.08×3×32=7.68г
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Объяснение:
2Al + 3S = Al2S3
n(Al2S3)=m/M=12/150=0.08моль
n(S)=3n(Al2S3)
m(S)=n×M=0.08×3×32=7.68г