ashleymer384
29.07.2019 •
Chemistry
Determine the molecular formula of a compound that is 54.5% c, 13.7% h, and 31.8% n. the molar mass is 88.0.
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Ответ:
54.5/12 : 13.7/1 : 31.8/14
4.5/2.3 : 13.7/2.3 : 2.3/2.3
2 : 6 : 1
this is the ratio for emperical fromula
C2H6N
now the emperical formula mass will be
12x2 + 1x6 + 14x1
=44
the value to multiple the emperical formula =
molar mass/emperical formula mass
88/44= 2
2( C2H6N)
= C4H12N2
Ответ:
I hope you won't be solid on this answer, But I researched it with my colleagues, and we all agreed it's the amount of atoms in the compound. (I hope this was you question.)