Salicylic Acid Molecular Properties

The video tutorial explains how to find the molar mass of salicylic acid, which has the molecular formula C7H6O3. It begins by identifying the number of carbon, hydrogen, and oxygen atoms in the compound. The tutorial then demonstrates how to use the periodic table to find the atomic masses of these elements and calculate the molar mass by multiplying the atomic masses by the number of atoms and summing the results. The final molar mass of salicylic acid is calculated to be 138.13 grams per mole, meaning one mole of salicylic acid weighs 138.13 grams.

What is the molecular formula of salicylic acid?

• C7H6O3

• C9H8O4

• C8H8O4

• C6H4O2

How many carbon atoms are present in salicylic acid?

• 7

• 6

• 5

• 8

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

• 12.01 grams per mole

• 14.01 grams per mole

• 1.01 grams per mole

• 16.00 grams per mole

How many hydrogen atoms are in the molecular formula of salicylic acid?

• 4

• 6

• 5

• 7

What is the total molar mass of salicylic acid?

• 150.15 grams per mole

• 160.18 grams per mole

• 138.13 grams per mole

• 120.10 grams per mole

If you have one mole of salicylic acid, what would be its mass?

• 150.15 grams

• 138.13 grams

• 160.18 grams

• 120.10 grams