1. ms=25g mw=225g mr=250g Cp= 25g/250g *100% Cp= 10%
2.
2CH₃COOH + 2Na ----> 2CH₃COONa + H₂
9,2gNa -----> xgH
46gNa -------> 2gH₂
x=9,2g * 2g/46g
x= 0,4gH₂
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1. ms=25g
mw=225g
mr=250g
Cp= 25g/250g *100%
Cp= 10%
2.
2CH₃COOH + 2Na ----> 2CH₃COONa + H₂
9,2gNa -----> xgH
46gNa -------> 2gH₂
x=9,2g * 2g/46g
x= 0,4gH₂
Cp= ms*100% / mr
mr=ms + ms wody
Cp= 25g*100%/250g=10 %
2 Reakcja
2CH3COOH +2 Na = 2 CH3COONa + H2
46g Na - 2 g wodoru
9,3g Na - xg wodoru wyliczamy x=0,4g podałem w gramach bo nie wiem w czym masz wyliczyć ten wodór :)