Calculating Molar Mass of Calcium Hypochlorite

The video tutorial explains how to calculate the molar mass of calcium hypochlorite (Ca(ClO)2). It begins by identifying the atomic masses of calcium, chlorine, and oxygen from the periodic table. The tutorial then demonstrates how to multiply these atomic masses by their respective quantities in the compound. Finally, it adds the results to find the total molar mass, which is 142.98 grams per mole. The video concludes by noting that slight variations may occur due to rounding differences in periodic tables.

What is the atomic mass of calcium as used in the calculation of calcium hypochlorite's molar mass?

• 16.00 grams per mole

• 51.45 grams per mole

• 40.08 grams per mole

• 35.45 grams per mole

How many oxygen atoms are considered in the calculation of calcium hypochlorite's molar mass?

• Three

• Two

• One

• Four

What is the total mass of chlorine and oxygen combined before multiplying by two in the calculation?

• 35.45 grams per mole

• 142.98 grams per mole

• 51.45 grams per mole

• 40.08 grams per mole

What is the final molar mass of calcium hypochlorite as calculated in the video?

• 16.00 grams per mole

• 40.08 grams per mole

• 142.98 grams per mole

• 51.45 grams per mole

Why might there be slight variations in the calculated molar mass of calcium hypochlorite?

• Due to different methods of calculation

• Errors in the video tutorial

• Because of rounding differences in periodic tables

• Variations in the number of atoms