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7 June, 08:57

1. Find the percent composition of a compound that contains 1.10 g calcium, 0.888 g sulfur.

and 1.76 grams of oxygen in a 3.74 a sample of the compound

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Answers (1)
  1. 7 June, 09:18
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    The compound contains 29.3 % calcium, 23.7 % sulfur and 47 % oxygen

    Explanation:

    Step 1: Data given

    Mass of the compound = 3.74 grams

    Mass of calcium in the compound = 1.10 grams

    Mass of sulfur in the compound = 0.888 grams

    Mass of oxygen in the compound = 1.76 grams

    Step 2: Calculate percent composition

    Mass of Calcium + Mass of sulfur + mass of oxygen = total mass of compound = 3.74 grams

    % Caclium = (1.10 grams / 3.74 grams) * 100 % = 29.3 %

    % sulfur = (0.888 grams / 3.74 grams) * 100 % = 23.7 %

    % oxygen = (1.76 grams / 3.74 grams) * 100 % = 47%

    29.3 % + 23.7 % + 47% = 100 %

    The compound contains 29.3 % calcium, 23.7 % sulfur and 47 % oxygen
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