Mole Conversions: Atoms and Ions Explained

What is the number of particles in one mole?

• 6.02 x 10^23 particles

• 22.4 particles

• 12 particles

• 1 x 10^23 particles

What does one mole of a substance at STP occupy in terms of volume?

• 6.02 liters

• 12 liters

• 1 liter

• 22.4 liters

What is the volume of one mole of gas at STP?

• 22.4 liters

• 24 liters

• 12 liters

• 6 liters

If one dozen cookies contain six dozen chocolate chips, how many chocolate chips are there in one cookie?

• 6 chocolate chips

• 72 chocolate chips

• 12 chocolate chips

• 24 chocolate chips

How many moles of hydrogen atoms are present in one mole of methane (CH4)?

• 4 moles

• 1 mole

• 8 moles

• 2 moles

Using Avogadro's number, how many hydrogen atoms are there in 2.5 moles of methane?

• 4 x 10^23 atoms

• 2.5 x 10^23 atoms

• 1 x 10^24 atoms

• 6.02 x 10^24 atoms

In the conversion of moles of CH4 to atoms of hydrogen, what is the mole ratio used?

• 1 mole of CH4 to 8 moles of H

• 1 mole of CH4 to 6 moles of H

• 1 mole of CH4 to 2 moles of H

• 1 mole of CH4 to 4 moles of H

What is the molar mass of aluminum chloride (AlCl3)?

• 133.33 grams per mole

• 200 grams per mole

• 58.44 grams per mole

• 100 grams per mole

How many chloride ions are in 18 grams of AlCl3?

• 1 x 10^23 ions

• 3 x 10^23 ions

• 6.02 x 10^23 ions

• 2.44 x 10^23 ions

How many moles of chloride ions are equivalent to one mole of AlCl3?

• 2 moles

• 1 mole

• 3 moles

• 4 moles