Ascorbic Acid and Molar Mass Concepts

The video tutorial explains how to calculate the molar mass of ascorbic acid, also known as vitamin C. It begins by introducing the molecular structure of ascorbic acid, highlighting the presence of carbon, hydrogen, and oxygen atoms. The tutorial then guides viewers through the process of using the periodic table to find the atomic masses of these elements and calculate the total molar mass. The video concludes with a summary of the calculation, emphasizing the importance of using a consistent periodic table for accurate results.

What is another name for ascorbic acid?

• Vitamin B

• Vitamin D

• Vitamin A

• Vitamin C

How many carbon atoms are present in the molecular formula of ascorbic acid?

• 4

• 7

• 6

• 5

What is the chemical formula for ascorbic acid?

• C8H10O8

• C7H9O7

• C6H8O6

• C5H7O5

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

• 18.01 grams per mole

• 16.01 grams per mole

• 14.01 grams per mole

• 12.01 grams per mole

How many hydrogen atoms are in the formula C6H8O6?

• 8

• 7

• 6

• 9

What is the molar mass of ascorbic acid?

• 176.14 grams per mole

• 190.20 grams per mole

• 160.10 grams per mole

• 180.18 grams per mole

If the periodic table rounds to two decimal places, what might affect the molar mass calculation?

• The number of atoms

• The rounding of atomic masses

• The type of chemical bonds

• The temperature of the environment

What does the molar mass of 176.14 grams per mole signify for ascorbic acid?

• The weight of one molecule

• The weight of one mole

• The weight of one atom

• The weight of one liter