Question

So
compound C = 4o7. H = 6.3%
0= 53-3.
molecular mass = 60
Find
Moleculan
Formula​

Answer 1

Explanation:

A compound contains 40% carbon, 6.7% hydrogen, and 53.3%oxygen.

100 g of the compound will contain 40 g C, 6.7 g H and 53.3 g O.

The atomic masses of C, H and O are 12 g/mol, 1 g/mol and 16 g/mol respectively.

The number of moles of C=

12 g

40 g

=3.33 mol

The number of moles of H=

1 g

6.7 g

=6.7 mol.

The number of moles of O=

16 g

53.3 g

=3.33 mol.

The mole ratio C:H:O=3.33:6.7:3.33=1:2:1

The empirical formula of compound is CH

2

O.

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