What us the % composition of oxygen (O) in iron (III) hydroxide, Fe(OH) 3?

Question

What us the % composition of oxygen (O) in iron (III) hydroxide, Fe(OH)
3?

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Mít Mít 5 years 2021-08-18T04:15:31+00:00 1 Answers 27 views 0

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  1. Ladonna
    0
    2021-08-18T04:17:09+00:00
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    Answer:

    44.91% of Oxygen in Iron (III) hydroxide

    Explanation:

    To solve this question we must find the molar mass of Fe(OH)3 and the molar mass of the oxygen in this molecule. Percent composition will be:

    Molar mass Oxygen / molar mass Fe(OH)3 * 100

    Molar mass Fe(OH)3 and oxygen:

    1Fe = 55.845g/mol*1 = 55.845

    3O = 16.00g/mol*3 = 48.00 – Molar mass of Oxygen

    3H = 1.008g/mol*3 = 3.024

    55.845 + 48.00 + 3.024 =

    106.869g/mol is molar mass of Fe(OH)3

    % Composition of oxygen is:

    48.00g/mol / 106.869g/mol * 100 =

    44.91% of Oxygen in Iron (III) hydroxide

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