Question

11.A hydrocarbon contains 75% carbon. What is its empirical formula?​

Answer 1

Answer:

Therefore, empirical formula is C1H4 or simply, CH4 .

Answer 2

Answer:

Therefore, empirical formula is C1H4 or simply, CH4 .

Explanation:

1 g of the compound has 75 g of C or 75/12 moles of C = 0.0625

1 g of the compound has 25 g of H or 25/1 moles of H = 0.25

Molar ratio C : H = 0625 : 25 = 1 : 4

So its molecular formula is CH

4

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