Chemistry - how to calculate molar mass!

This video tutorial explains the concept of molar mass, which is the mass of one mole of a substance, measured in grams per mole. It emphasizes the importance of understanding the periodic table to find molar masses of elements like oxygen and iron. The tutorial also covers how to calculate the molar mass of compounds such as NaCl and Mg3N2 by adding the molar masses of individual elements. The video provides examples and methods for calculating molar mass, ensuring a clear understanding of the topic.

What is the unit used for molar mass?

• Kilograms per mole

• Grams per mole

• Liters per mole

• Atoms per mole

How many atoms are there in one mole of a substance?

• 6.02 * 10^24

• 6.02 * 10^22

• 6.02 * 10^25

• 6.02 * 10^23

Which element has a molar mass of 16g per mole?

• Chlorine

• Sodium

• Oxygen

• Iron

How do you find the molar mass of NaCl?

• Subtract the mass of Cl from Na

• Divide the mass of Na by Cl

• Multiply the masses of Na and Cl

• Add the masses of Na and Cl

What is the molar mass of Mg3N2?

• 100.93g per mole

• 58.44g per mole

• 24.31g per mole

• 14.00g per mole