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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
