Mole Conversion Test Review

What is the molar mass of NaCl?

• 22.990 g/mol

• 58.44 g/mol

• 35.443 g/mol

• 58 g/mol

• 5.83 mol

• 59.98 mol

• 7.49 mol

• 58.3 mol

What is the mass of 5.39 moles of H₂CO₃

• 62.02 g

• 11.51g

• 33.43 g

• 334.31 g

The subscripts in a chemical formula represent...

What is the molar mass of NaNO_3? (round to nearest whole number)

How many molecules are there in 1.00 mole of CO₂

• 1

• 6.02 x 10²³

• 2

• 44.009

How many moles of CO are present in 43g of CO?

• 1.54 mol

• 34 mol

• 0.65 mol

• 28.01 mol

How many atoms are in 5.87 g of Al?

• 0.22 atoms

• 1.15 x 10²³ atoms

• 1.31 x 10²³ atoms

• 2.07 X 10²⁴ atoms

How many atoms are in 9.53 moles of Nitrogen?

• 5.74 x 10²⁴ atoms

• 5 x 10²⁴ atoms

• 7.54 x 10²⁴ atoms

• 1.58 x 10²⁴ atoms

Which of the following is a unit that is related to Avogadro's number? (select all that apply)

• ions

• atoms

• molecules

• particles