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eliza999
@eliza999
August 2022
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Сколько атомов водорода,серы,кислорода содержится:в 2 моль серной кислоты H2 SO 4
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Romafranko
U=2 mol
N-?
Mr(H2SO4)=98
w(H2)=2/98=2%
w(S)=32/98=33%
w(O4)=64/98=65%
u=N/N.a
N=u*N.a=2*6*10²³=12*10²³
N(H2)=12*10²³*0.02=24*10²°
N(S)=12*10²³*0.33=3.96*10²³
N(O4)=12*10²³*0.65=7.8*10²³
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Answers & Comments
N-?
Mr(H2SO4)=98
w(H2)=2/98=2%
w(S)=32/98=33%
w(O4)=64/98=65%
u=N/N.a
N=u*N.a=2*6*10²³=12*10²³
N(H2)=12*10²³*0.02=24*10²°
N(S)=12*10²³*0.33=3.96*10²³
N(O4)=12*10²³*0.65=7.8*10²³