Mole Calculations Practice

Calculate the mass, in grams, of 0.105 mol C₁₂H₂₂O_11.

• 35.9 g

• 3260 g

• 0.000307 g

• 0.105 g

Calculate the moles of Zn(NO₃)₂ in 143.50 g of this substance.

• 0.75762 mol

• 27180 mol

• 1.32 mol

• 143.50 mol

Calculate the number of molecules in 1.0 x 10^-6 mol CH₃CH₂OH.

• 6.0 x 10¹⁷ molecules

• 4.608 x 10^-5 molecules

• 6.0 x 10²⁹ molecules

• 1.0 x 10^-6 molecules

Calculate the number of atoms in 0.410 mol Fe.

• 2.47 x 10²³ atoms

• 6.83 x 10^-25 atoms

• 22.9 atoms

• 0.410 atoms

Calculate the number of formula units of NH₄Cl in 112.6 g of this substance.

• 1.267 x 10²⁴ formula units

• 2.100 formula units

• 2.851 x 10²³ formula units

• 3.508 x 10^-24 formula units

Calculate the mass of 1.205 x 10²⁴ molecules of C₆H₆.

• 156.4 g

• 39.03 g

• 2.002 g

• 0.4996 g