Moles & Masses Random Retrieval

This quiz contains all the questions in the Moles & Masses section. The website will pick 10 questions at random.

1 / 10

Calculate the relative molecular mass (formula mass) of lithium carbonate, Li₂CO₃

2 / 10

Calculate the number of moles of phosphorus (V) oxide (P₄O₁₀) if you have 80.0 g of phosphorus (V) oxide (P₄O₁₀)

P=31.0 O=16.0

3 / 10

Calculate the number of moles of fluorine if you have 76.0 g of fluorine

F=19.0

4 / 10

Calculate the number of moles of sodium if you have 34.5 g of sodium

Na=23.0

5 / 10

Calculate the number of moles of FeSO₄ . 7H₂O if you have 45.6 g of FeSO₄ . 7H₂O

S=32.1 Fe=55.8 O=16.0 H=1.0

6 / 10

Calculate the number of moles of I₂ if you have 127 g of I₂

I=126.9

7 / 10

Calculate the number of moles of N₂ if you have 28.0 g of N₂

N=14.0

8 / 10

Calculate the number of moles of H₂SO₄ if you have 27.0 g of H₂SO₄

S=32.1 H=1.0 O=16.0

9 / 10

Calculate the mass of glucose that you would have if you had 1.25 mol of glucose

H=1.0 C=12.0 O=16.0

10 / 10

Calculate the mass of KHCO₃ that you would have if you had 0.180 mol of KHCO₃

K=39.1 H=1.0 C=12.0 O=16.0

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