Acetaminophen Molecular Structure and Properties

The video tutorial explains how to determine the molar mass of acetaminophen, also known as paracetamol. It begins by identifying the molecular formula of acetaminophen as C8H9NO2. The tutorial then guides viewers through the process of calculating the molar mass using the periodic table, detailing the atomic masses of carbon, hydrogen, nitrogen, and oxygen. The final molar mass is calculated to be 151.18 grams per mole. The video concludes by noting that different periodic tables may yield slightly different results.

What is another name for acetaminophen?

• Paracetamol

• Naproxen

• Ibuprofen

• Aspirin

What is the molecular formula of acetaminophen?

• C8H10N2O

• C8H9NO2

• C9H8NO2

• C7H9NO3

How many carbon atoms are present in acetaminophen?

• 9

• 6

• 7

• 8

What is the atomic mass of hydrogen used in the calculation?

• 1.01

• 1.03

• 1.02

• 1.00

How many hydrogen atoms are in the acetaminophen molecule?

• 11

• 8

• 9

• 10

What is the atomic mass of nitrogen used in the calculation?

• 13.01

• 14.01

• 15.01

• 16.01

What is the molar mass of acetaminophen?

• 152.18 g/mol

• 151.18 g/mol

• 153.18 g/mol

• 150.18 g/mol

How many oxygen atoms are present in acetaminophen?

• 3

• 1

• 2

• 4

Why might the calculated molar mass differ slightly?

• Incorrect molecular formula

• Different molecular structures

• Calculation errors

• Different periodic tables round differently