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1 January, 05:50

A 23.0g sample of a compound contains 12.0g of C, 3.0g of H, and 8.0g of O. What the empirical formula of the compound

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  1. 1 January, 06:14
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    The empirical formula of compound is C₂H₆O.

    Explanation:

    Given dа ta:

    Mass of carbon = 12 g

    Mass of hydrogen = 3 g

    Mass of oxygen = 8 g

    Empirical formula of compound = ?

    Solution:

    First of all we will calculate the gram atom of each elements.

    no of gram atom of carbon = 12 g / 12 g/mol = 1 g atoms

    no of gram atom of hydrogen = 3 g / 1 g/mol = 3 g atoms

    no of gram atom of oxygen = 8 g / 16 g/mol = 0.5 g atoms

    Now we will calculate the atomic ratio by dividing the gram atoms with the 0.5 because it is the smallest number among these three.

    C:H:O = 1/0.5 : 3/0.5 : 0.5/0.5

    C:H:O = 2 : 6 : 1

    The empirical formula of compound will be C₂H₆O
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