[hóa 12]este

N

nhoanh9x

H

hn3

2,54g este chứ ;)) .Ta có :

[TEX]n_{\text{este o the hoi}}=\frac{425,6.0,6.273}{760.22,4.(273+136,5)}=0,01(mol)[/TEX]

[TEX]M_{\text{este}}=\frac{2,54}{0,01}=254(\text{don vi Cacbon})[/TEX]
 
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