• describe/recognize the molecular structure of water. • define these terms o matter o element o atom • know and be able to defi
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<u>Answer:</u> The mass percentage of carbon element is 63.57 %, hydrogen element is 5.96 %, nitrogen element is 9.28 % and oxygen element is 21.19 %
<u>Explanation:</u>
We are given:
A chemical compound having chemical formula of . This compound is made by the combination of carbon, hydrogen, nitrogen and oxygen elements.
1 mole of acetaminophen contains 8 moles of carbon atom, 9 moles of hydrogen atom, 1 mole of nitrogen atom and 2 moles of oxygen atom
Mass of carbon element =
Mass of hydrogen element =
Mass of nitrogen element =
Mass of oxygen element =
Mass of the compound = 151 g/mol
To calculate the percentage composition of an element in a compound, we use the equation:
........(1)
- <u>For carbon element:</u>
Putting values in equation 1, we get:
- <u>For hydrogen element:</u>
Putting values in equation 1, we get:
- <u>For nitrogen element:</u>
Putting values in equation 1, we get:
- <u>For oxygen element:</u>
Putting values in equation 1, we get:
Hence, the mass percentage of carbon element is 63.57 %, hydrogen element is 5.96 %, nitrogen element is 9.28 % and oxygen element is 21.19 %