Molecular Formula and Molar Mass of Acidic Anhydride

The video tutorial explains how to find the molar mass of acidic and hydride. It begins by introducing the concept and showing two ways to write the molecular formula, highlighting the number of carbon, hydrogen, and oxygen atoms. The tutorial then demonstrates how to calculate the molar mass using the periodic table, multiplying the atomic masses by the number of atoms and summing them up. The video concludes with a note on rounding differences in periodic tables and provides the final molar mass value.

What are the two ways to write the molecular formula for acidic anhydride?

• C4H6O3 and C4H6O2

• C4H6O3 and C4H4O3

• C4H6O3 and C4H8O3

• C4H6O3 and C4H6O3

How many carbon atoms are present in the molecular formula of acidic anhydride?

• Three

• Two

• Five

• Four

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

• 12.01 grams per mole

• 14.01 grams per mole

• 16.00 grams per mole

• 1.01 grams per mole

How many hydrogen atoms are there in the molecular formula?

• Six

• Five

• Seven

• Four

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

• 12.01 grams per mole

• 1.01 grams per mole

• 14.01 grams per mole

• 16.00 grams per mole

What is the final calculated molar mass of acidic anhydride?

• 106.1 grams per mole

• 104.1 grams per mole

• 102.1 grams per mole

• 100.1 grams per mole

Why might there be a slight difference in the calculated molar mass?

• Due to different atomic masses of oxygen

• Due to different atomic masses of hydrogen

• Due to different rounding conventions in periodic tables

• Due to different atomic masses of carbon