Question

What is ratio of the masses of carbon and hydrogen in methane​

Answer 1

Molar mass of methane = 16 g/mol

Molar mass of carbon = 12

Mass of 4 moles of hydrogen in methane = 4

Now, mass percent of carbon = $\frac{12}{16}$ x 100 = 75%

Now, mass percent of hydrogen = $\frac{4}{16}$ x 100 = 25%

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