Mole Calculations Practice Quiz

How many moles are in 15 grams of lithium?

• 2.2 mol Li

• 104.1 mol Li

• 0.46 mol Li

• 9.03 x 10²⁴

How many grams are in 88.1 moles of magnesium?

• 36.2 g Mg

• 3.62 g Mg

• 2140 g Mg

• 8.81 g Mg

How many moles are in 9.8 g calcium?

• 4.2 mol Ca

• 0.24 mol Ca

• 390 mol Ca

• 0.82 mol Ca

How many grams are in 238 moles of arsenic?

• 238 mol

• 3.18 g

• 17,800 g

• 0.315 g

What is the molar mass of NaCl?

• 58 g/mol

• 22.99 g/mol

• 58.44 g/mol

• 35.45 g/mol

What is the molar mass of MgCl₂?

• 95.21 g/mol

• 96 g/mol

• 95 g/mol

• 24.31 g/mol

How many grams are in 11.9 moles of chromium?

• 0.230 g

• 4.37 g

• 619 g

• 11,900 g

What is the molar mass of H₃PO₄?

• 97.99 g/mol

• 98 g/mol

• 94.97 g/mol

How many grams are in 4.5 moles of sodium fluoride, NaF?

• 9.3 g

• 190 g

• 1.1 g

• 0.11 g

How many moles are in 68 grams of Cu(OH)₂?

• 0.70 mol

• 0.68 mol

• 6,600 mol

• 1.4 mol