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  • 24-10-2019
  • Chemistry
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The empirical formula that contains 120 g of carbon and 30.3 g of hydrogen

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Neetoo
Neetoo Neetoo
  • 05-11-2019

Answer:

Empirical formula is CH₃.

Explanation:

Given data:

Mass of carbon = 120 g

Mass of hydrogen = 30.3 g

Empirical formula = ?

Solution:

Number of gram atoms of C = 120 g / 12 g/mol = 10

Number of gram atoms of H = 30.3 g / 1.008 g/mol = 30.06

Atomic ratio:

                   C             :            H            

                10/10          :       30.06/10

                   1              :            3.06    

C : H  = 1 : 3

Empirical formula is CH₃.

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