# Worksheet on Mole Concept

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```					Worksheet on Mole Concept

Example Problems

a) I need 1/8 mole of sulphur. How many grams of sulphur must I weigh out?

Ans ................

b) I have 64 grams of sulphur. How many moles of sulphur is this?

Ans ................

Problems

1. How many grams of iron must we weigh out to get

a) 2 moles of iron? Ans ................

b) ¼ mole of iron? Ans ................

2. How many grams of sodium must we weigh out to get

a) 3 moles of sodium? Ans ................

b) ½ mole of sodium? Ans ................

3. How many moles of carbon are there in

a) 3g of carbon? Ans ................

b) 42g of carbon? Ans ................

c) 15g of carbon? Ans ................

4. How many moles of sulphur are there in

a) 32g of sulphur? Ans ................

b) 128g of sulphur? Ans ................

c) 28g of sulphur? Ans ................

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