Question

A compound used in making nylon has 48.3% oxygen.there are 4 oxygen atoms per molecule .then what is the molecular weight of the compound

Answer 1

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Answer 2

Answer:

132.50 g/mol is the molecular weight of the compound.

Explanation:

Percentage of oxygen per molecule of nylon = 48.3%

Number of oxygen atom in 1 molecule of compound = 4 g/mol

Mass of 4 oxygen atom = $4\times 16 g/mol=64 g/mol$

Mass of 1 molecule of compound = M

$48.3\5=\frac{64 g/mol}{M}\times 100$

M = 132.50 g/mol

132.50 g/mol is the molecular weight of the compound.