Molar Mass and Structure of S8

The video tutorial explains how to find the molar mass of S8, known as octasulfur. It begins by introducing S8 as an allotrope of sulfur with eight sulfur atoms bonded together. The tutorial then guides viewers through the process of calculating the molar mass using the periodic table, where sulfur has a molar mass of 32.7 g/mol. By multiplying this value by eight, the molar mass of S8 is determined to be 256.56 g/mol. The video concludes with an explanation of what this result means in terms of moles and mass.

What is the term used to describe S8 due to its structure?

• Octasulfur

• Monosulfur

• Hexasulfur

• Disulfur

How many sulfur atoms are bonded together in S8?

• 4

• 10

• 6

• 8

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

• 40.0 g/mol

• 28.1 g/mol

• 32.7 g/mol

• 16.0 g/mol

What is the molar mass of S8 calculated in the video?

• 1024.56 g/mol

• 128.56 g/mol

• 256.56 g/mol

• 512.56 g/mol

What does the calculated molar mass of S8 represent?

• The mass of one molecule of water

• The mass of one mole of oxygen

• The mass of one atom of sulfur

• The mass of one mole of octasulfur

If the periodic table rounds differently, what might change?

• The calculated molar mass

• The name of the compound

• The number of sulfur atoms

• The color of sulfur