Mole conversions
mass to moles
mole ratios
limiting reactant
percent yield
100

How many moles are in 3.01 × 10²³ molecules of CO₂?

0.50 mol CO₂

100

How many moles are in 18 g of H₂O?


1 mol

100

If you have 2 mol H₂, how many mol H₂O form?

2 mol

100

If 1 mol N₂ reacts, how many mol NH₃ form?

2 mol

100

If theoretical yield is 50 g and actual yield is 40 g, percent yield?

 80%

200

How many molecules are in 2.5 moles of H₂O?

1.51 × 10²⁴ molecules

200

How many grams are in 3 moles of CO₂?

132 g

200

If you have 3 mol O₂, how many mol H₂O form?

 6 mol

200

If 2 mol N₂ and 3 mol H₂ react, which is limiting?

 H₂

200

Theoretical = 100 g, actual = 85 g

85%

300

How many atoms are in 4 moles of O₂?

4.82 × 10²⁴ atoms

300

How many moles are in 98 g of H₂SO₄?

1 mol

300

How many mol H₂ needed to react with 5 mol O₂?

 10 mol

300

From 2 mol N₂ and 3 mol H₂, how many mol NH₃ form?

 2 mol


300

Theoretical = 200 g, actual = 150 g

75%

400

How many moles are in 9.03 × 10²³ molecules of NH₃?

1.5 mol

400

How many grams are in 0.5 mol NaCl?

 29.3 g

400

How many grams H₂O from 4 mol O₂?

144 g

400

If 28 g N₂ reacts with excess H₂, how many grams NH₃ form?

 34 g

400

Actual = 45 g, Percent = 90%. Find theoretical.

 50 g

500

How many oxygen atoms are in 2 moles of CO₂?

 2.41 × 10²⁴ atoms

500

How many grams are in 2.5 mol Al₂O₃?

255 g

500

How many grams O₂ needed to produce 36 g H₂O?

32 g O₂

500

If 56 g N₂ and 6 g H₂ react, limiting reactant?

H₂

500

Actual = 120 g, Percent = 80%. Find theoretical.

 150 g