Molar Mass Calculations

Determine the molar/formula mass of carbon dioxide, CO₂. Use the periodic table.

• 44.01 g/mol

• 32.00 g/mol

• 28.02 g/mol

• 18.02 g/mol

Determine the molar/formula mass of sodium chloride, NaCl. Use the periodic table.

• 58.44 g/mol

• 60.00 g/mol

• 55.00 g/mol

• 57.00 g/mol

Determine the molar/formula mass of magnesium bromide, MgBr₂. Use the periodic table.

• 184.11 g/mol

• 150.00 g/mol

• 200.00 g/mol

• 170.00 g/mol

Tags

NGSS.HS-PS1-1

Determine the molar/formula mass of copper (II) nitrate, Cu(NO₃)₂. Use the periodic table.

• 187.56 g/mol

• 150.00 g/mol

• 200.00 g/mol

• 175.00 g/mol

Determine the mass in grams of 12.0 mol aluminum (Al). Use the periodic table. The mass is _____.

(just put the number and report to the correct amount of sig figs)

Tags

NGSS.HS-PS1-7

Determine the mass in grams of 3.25 mol copper (Cu). Use the periodic table. The mass is _____

(just put the number and report to the correct amount of sig figs)

Determine the mass in grams of 1.93 mol xenon (Xe). Use the periodic table. The mass is _____

(just put the number and report to the correct amount of sig figs)

Determine the mass in grams of 5.34 mol vanadium (V). Use the periodic table. The mass is _____

(just put the number and report to the correct amount of sig figs)

Determine the number of moles in 10.0 grams lithium (Li). Use the periodic table. _____

(just put the number and report to the correct amount of sig figs)

Determine the number of atoms, molecules, or formula units for 6.8 mol of lead (Pb) using Avogadro’s number.

• 4.09 x 10^24 atoms

• 3.00 x 10^24 atoms

• 5.00 x 10^24 atoms

• 6.00 x 10^24 atoms