Molar Mass and Conversion Processes

This video tutorial demonstrates how to convert moles of sodium phosphate (Na3PO4) to grams. It begins by introducing the concept of conversion and explains the need to use the molar mass for this process. The video guides viewers through calculating the molar mass using the periodic table and then performing the conversion by multiplying the number of moles by the molar mass. It also covers the reverse process of converting grams back to moles by dividing by the molar mass. The tutorial concludes with a recap of the steps involved in the conversion process.

What is the initial quantity of sodium phosphate given in the problem?

• 2.03 grams

• 1.24 moles

• 1.24 grams

• 2.03 moles

What is the purpose of using the molar mass in the conversion process?

• To convert moles to grams

• To determine the density

• To convert grams to moles

• To find the number of atoms

What is the molar mass of sodium phosphate (Na3PO4) used in the calculation?

• 150.00 grams per mole

• 203.29 grams per mole

• 180.18 grams per mole

• 163.94 grams per mole

During the conversion from moles to grams, what happens to the units of moles?

• They are added

• They are subtracted

• They double

• They cancel out

What is the final calculated mass of sodium phosphate in grams?

• 180.18 grams

• 163.94 grams

• 203.29 grams

• 150.00 grams

If given grams of sodium phosphate, what operation would you perform to find moles?

• Subtract the molar mass

• Multiply by the molar mass

• Add the molar mass

• Divide by the molar mass

What is the reverse process of converting moles to grams?

• Subtraction

• Division

• Addition

• Multiplication