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krupina1910
@krupina1910
November 2021
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Решите пожалуйста 40 и 41
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krioira
Fe3O4
Mr(Fe3O4)=3*56+4*16=232
W(Fe3)=168/232=0.72=72%
WO4)=64/232=0.28=28%
SO3
Mr(SO3)=32+3*16=80
W(S)=32/80=0.4=40%
W(O3)=48/80=0.6=60%
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Answers & Comments
Mr(Fe3O4)=3*56+4*16=232
W(Fe3)=168/232=0.72=72%
WO4)=64/232=0.28=28%
SO3
Mr(SO3)=32+3*16=80
W(S)=32/80=0.4=40%
W(O3)=48/80=0.6=60%