Copper II Phosphate Molar Mass Concepts

The video tutorial explains how to calculate the molar mass of copper II phosphate (Cu3(PO4)2). It begins by identifying the atomic masses of copper, phosphorus, and oxygen from the periodic table. The tutorial then demonstrates how to calculate the total mass of copper atoms and phosphate ions, and finally combines these to find the overall molar mass of the compound. The process involves multiplying the atomic masses by the number of atoms or ions present and summing the results to obtain the final molar mass of 380.59 grams per mole.

What is the first step in finding the molar mass of copper II phosphate?

• Find the atomic masses of the elements from the periodic table.

• Calculate the volume of the compound.

• Determine the density of the compound.

• Measure the temperature of the compound.

How many copper atoms are present in copper II phosphate?

• One

• Two

• Three

• Four

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

• 60.00 grams per mole

• 63.55 grams per mole

• 65.38 grams per mole

• 58.44 grams per mole

How many phosphate ions are present in copper II phosphate?

• Four

• Three

• Two

• One

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

• 31.00 grams per mole

• 32.07 grams per mole

• 33.00 grams per mole

• 30.97 grams per mole

How many oxygen atoms are present in one phosphate ion?

• Two

• Three

• Four

• Five

What is the total molar mass of copper II phosphate?

• 370.50 grams per mole

• 360.00 grams per mole

• 380.59 grams per mole

• 390.00 grams per mole

What is the molar mass of the phosphate ion in copper II phosphate?

• 189.94 grams per mole

• 180.00 grams per mole

• 200.00 grams per mole

• 170.00 grams per mole

What is the significance of the final molar mass result?

• It represents the mass of one mole of copper II phosphate.

• It measures the temperature of copper II phosphate.

• It indicates the density of copper II phosphate.

• It shows the volume of copper II phosphate.