Chemical Quantities

Find the number of atoms in 0.5 mole of aluminium.

• 3.01x10²³

• 3.01x10²²

• 6.02x10²³

• 6.02x10²²

How many moles of water contain 3.01x10²² water molecules?

• 0.05 mol

• 1.25 mol

• 0.90 mol

• 2.35 mol

Tags

NGSS.HS-PS1-7

• 0.83 mol

• 1.204 mol

• none of the above

How many liters are in 3.4 moles of a gas?

• 0.15 L

• 6.59 L

• 3.4 L

• 76.16 L

How many atoms are present in a 13.5 gram sample of beryllium?

• 1.5 particles

• 9 particles

• 4.03 x10²³ particles

• 9.02 x10²³ particles

What is the SI unit for a count of atoms?

• meter

• mass

• molecule

• mole

Determine the amount of moles in 4.50 x 10²³ atoms of fluorine.

• 9.03 x 10⁴⁶ moles

• 0.757 moles

• 4.73 moles

• 0.0131 moles

What is the Molar mass of one mole of Iron (Fe)?

• 55.93 amu

• 55.93 g

• 111.86 amu

• 111.86 g

What is the molar mass of H₂O?

• 6.02 x 10²³

• 16 grams

• 18 grams

• 15.99999 grams

How are a mole aluminum and zinc the same?

• they have the same number of atoms - 6.02 x 10²³

• they have the same molar mass