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sabinaimirsy
@sabinaimirsy
August 2022
1
5
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Fe+S→?
Это 1 задача)
Дано:
V (Fe)-1.25
m(FeS)-?
w (FeS)-?
M(FeS)-?
Это 2 задача)
Дано :
m (FeS)-8.8г
m(S)-?
v (S)-?
N (S)-?
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Answers & Comments
udodovi
2) хг 8,8г
Fe+S=FeS
32г 88г
х= 32*8,8/88=3,2г
v(S)=m/M=3.2г/32г/моль=0,1моль
N=v*NA=0.1моль * 6,02 * 10²³моль⁻¹=0,602*10²³
1)Fe+S=FeS
v(Fe)=v(FeS)= 1,25моль
m(FeS)=v*M=1,25моль * 88г/моль=132г
NFeS)=v*Na=1.25моль * 6,02*10²³моль⁻¹=7,525
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Answers & Comments
Fe+S=FeS
32г 88г
х= 32*8,8/88=3,2г
v(S)=m/M=3.2г/32г/моль=0,1моль
N=v*NA=0.1моль * 6,02 * 10²³моль⁻¹=0,602*10²³
1)Fe+S=FeS
v(Fe)=v(FeS)= 1,25моль
m(FeS)=v*M=1,25моль * 88г/моль=132г
NFeS)=v*Na=1.25моль * 6,02*10²³моль⁻¹=7,525