Ответ:
Al2S3
Mr(Al2S3) =27×2+32×3=150
W(Al)=(27×2/150)×100=36%
W(S)=(32×3/150)×100=64% или 100%-36%=64%
Объяснение:
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Verified answer
Ответ:
Al2S3
Mr(Al2S3) =27×2+32×3=150
W(Al)=(27×2/150)×100=36%
W(S)=(32×3/150)×100=64% или 100%-36%=64%
Объяснение: