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6.02 x 10 23

1.5 x molecules 2.5 moles 6.02 x molecules 1 mole

How many moles are there if I have 3.01 x molecules?

3.01 x molecules 1 mole__________ 6.02 x molecules

What is the molar mass of HBr?

How many moles are there in 150 grams of Argon?

150 grams Ar 1 mole Ar grams

5.4 moles CO grams 1 mole CO

What is the molar mass of Al 2 (SO 4 ) 3 ?

More moles = more atoms 5.01 x atoms C vs. 1.5 x atoms Ca

What is the mass of 1.33 x atoms of Sb?

1.33 x atoms 1 mole gram Sb 6.02 x atoms 1 mole

5 moles 22.4 liters 1 mole

What is 7.74 x atoms of Hg? 25.8 grams 1 mole 6.02 x atoms g 1 mole

How many moles of Sulfur are there in 1 mole of Al 2 (SO 4 ) 3 ?

Al 2 (SO 4 ) 3

What is the mole ratio between Copper and silver in the following reaction? Cu + 2AgNO 3  2Ag + Cu(NO 3 ) 2

2PbS + 3O 2  2PbO + 2SO 2 How many moles of PbO can be made from 6 moles of oxygen?

6 moles O 2 2 moles PbO 3 moles O 2 2PbS + 3O 2  2PbO + 2SO 2

How many moles of PbS are required to react away 12 moles of oxygen?

12 moles O 2 2 moles PbS 3 moles O 2 2PbS + 3O 2  2PbO + 2SO 2

3H 2 + N 2  2NH 3 How many moles of ammonia will form from 5 moles of hydrogen?

5 moles H 2 2 moles NH 3 3 moles H 2

3H 2 + N 2  2NH 3 How many moles of nitrogen are needed to react away moles of hydrogen?

0.005 moles H 2 1 mole N 2 3 moles H 2

3H 2 + N 2  2NH 3 What mass of of ammonia will form from 15.0 grams of nitrogen?

15.0 g N 2 1 mole N 2 2 mol NH g g 1 mol N 2 1 mol

2NO + O 2  2NO 2 What is the theoretical yield of NO 2 if 20.0 grams of NO reacts with excess oxygen?

20.0 g NO 1 mol NO 2 mol NO g NO g NO 2 mols NO 1 mol

3H 2 + N 2  2NH 3 If I want to make 35 grams of ammonia, what mass of hydrogen is required?

What is 6.2 grams 35 g NH 3 1 mol NH 3 3 mols NH g H g 2 mols H 2 1 mol H 2

CaCO 3  CO 2 + CaO How much calcium carbonate will produce 18 grams of carbon dioxide ?

18 g CO 2 1 mole CO 2 1 mol CaCO g 44.01g CO 2 1 mol CO 2 1 mol

32 X

What is the percent nitrogen in NO 2 ?

14.01 g N x g NO 2

What is the empirical formula of C 12 H 20 O 6 ?

What is C 6 H 10 O 3 ? **Just reduce C 12 H 20 O 6

The empirical formula for a compound is CH 2 and the molecular mass is 56g/mole what is the molecular formula?

What is C 4 H 8 ? 56 =