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6.02 x 1023

1.5 x 1024 molecules

2.5 moles 6.02 x 1023 molecules 1 mole

How many moles are there if I have

3.01 x 1023 molecules?

3.01 x 1023 molecules 1 mole__________ 6.02 x 1023 molecules

What is the molar mass of HBr?

How many moles are there in 150 grams of Argon?

150 grams Ar 1 mole Ar 39.95 grams

5.4 moles CO 28.01 grams 1 mole CO

What is the molar mass of Al2(SO4)3?

More moles = more atoms

5.01 x 1023 atoms C vs. 1.5 x 1023 atoms Ca

What is the mass of 1.33 x 1022

atoms of Sb?

1.33 x 1022 atoms 1 mole 121.76 gram Sb 6.02 x 1023 atoms 1 mole

5 moles 22.4 liters 1 mole

What is 7.74 x 1022 atoms of Hg?

25.8 grams 1 mole 6.02 x 1023 atoms 200.59 g 1 mole

How many moles of Sulfur are there in 1 mole of Al2(SO4)3?

Al2(SO4)3

What is the mole ratio between Copper and silver in the following reaction?

Cu + 2AgNO3 2Ag + Cu(NO3)2

2PbS + 3O2 2PbO + 2SO2

How many moles of PbO can be made from 6 moles of oxygen?

6 moles O2 2 moles PbO 3 moles O2

2PbS + 3O2 2PbO + 2SO2

2PbS + 3O2 2PbO + 2SO2

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

12 moles O2 2 moles PbS 3 moles O2

2PbS + 3O2 2PbO + 2SO2

3H2 + N2 2NH3

How many moles of ammonia will form from 5 moles of hydrogen?

5 moles H2 2 moles NH3

3 moles H2

3H2 + N2 2NH3

How many moles of nitrogen are needed to react away 0.005 moles of hydrogen?

0.005 moles H2 1 mole N2

3 moles H2

3H2 + N2 2NH3

What mass of of ammonia will form from

15.0 grams of nitrogen?

15.0 g N2 1 mole N2 2 mol NH3 17.04 g

28.02 g 1 mol N2 1 mol

2NO + O2 2NO2

What is the theoretical yield of NO2 if 20.0 grams of NO reacts with excess oxygen?

20.0 g NO 1 mol NO 2 mol NO2 46.02 g NO2

30.03 g NO 2 mols NO 1 mol

3H2 + N2 2NH3

If I want to make 35 grams of ammonia, what mass of hydrogen is required?

What is6.2 grams

35 g NH3 1 mol NH3 3 mols NH3 2.02g H2

17.04 g 2 mols H2 1 mol H2

CaCO3 CO2 + CaO

How much calcium carbonate will produce 18 grams of carbon dioxide?

18 g CO2 1 mole CO2 1 mol CaCO3 100.09g

44.01g CO2 1 mol CO2 1 mol

32 X 10039

What is the percent

nitrogen in NO2?

14.01 g N x 10046.01 g NO2

What is the empirical formula of

C12H20O6 ?

What is C6H10O3?

**Just reduce C12H20O6

The empirical formula for a compound is CH2

and the molecular mass is 56g/mole what

is the molecular formula?

What is C4H8?

56 = 414.01