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il63 [147K]
3 years ago
14

What is the chemical formula for propane in butane?help hurry I’m doing it right know please

Chemistry
1 answer:
nalin [4]3 years ago
6 0
C3H8 would be the answer but they would be to the power of the lettery thing I just cannot type it that way
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What us the % composition of oxygen (O) in iron (III) hydroxide, Fe(OH)<br> 3?
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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:

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

<em />

<em>Molar mass Fe(OH)3 and oxygen:</em>

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 =

<h3>44.91% of Oxygen in Iron (III) hydroxide</h3>
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2 years ago
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