| Moles | Vocabulary | Mole-Mole | Mass-Mole Calculations | Percent Composition |
| 10 | 10 | 10 | 10 | 10 |
| 20 | 20 | 20 | 20 | 20 |
| 30 | 30 | 30 | 30 | 30 |
| 40 | 40 | 40 | 40 | 40 |
| 50 | 50 | 50 | 50 | 50 |
| Final Question | ||||
What does the coefficient represent in front of a balanced equation?
What does the coefficient represent in front of a balanced equation?
The number of moles
What does 1 mole equal to (in terms of an element)?
What does 1 mole equal to (in terms of an element)?
atomic mass of an element
What does 1 mole equal to (in terms of counting objects)?
What does 1 mole equal to (in terms of counting objects)?
6.02 x 10^23
Determine the number of moles for y grams of glucose, C6H12O6, what unit factor would you multiply by?
Determine the number of moles for y grams of glucose, C6H12O6, what unit factor would you multiply by?
1 mole of glucose/molar mass ( or molecular mass) of glucose
Determine the number of moles for 805 grams of glucose, C6H12O6 (to the hundredth decimal place).
Determine the number of moles for 805 grams of glucose, C6H12O6 (to the hundredth decimal place).
4.47 moles of glucose
All equations must be balanced by this law
All equations must be balanced by this law
The Law of Conservation of Mass
Identify the reactants in the following: CO2 + H2O + Energy - respiration <------- C6H12O6 + O2
Identify the reactants in the following: CO2 + H2O + Energy - respiration <------- C6H12O6 + O2
C6H12O6 and O2
Hexane's actual formula is C6H14. This is hexane's what?
Hexane's actual formula is C6H14. This is hexane's what?
Molecular formula
Hexane's actual formula is C6H14. Hexane can also be written as C3H7. C3H7 is hexane's what?
Hexane's actual formula is C6H14. Hexane can also be written as C3H7. C3H7 is hexane's what?
Empirical formula
What is Stoichiometry?
What is Stoichiometry?
The calculation of quantitative relationships of the reactants and products in a balanced equation
How do you get the mole to mole ratio?
How do you get the mole to mole ratio?
Look at the coefficients in the balanced equation
What is the molar mass of calcium hydroxide, Ca(OH)2? (Nearest whole number)'>
What is the molar mass of calcium hydroxide, Ca(OH)2? (Nearest whole number)'>
74 grams
the equation: C5H12 + 8O2 ---> 5CO2 + 6H2O What is the number of moles of CO2 can be made if you start out with 16 moles of oxygen gas?
the equation: C5H12 + 8O2 ---> 5CO2 + 6H2O What is the number of moles of CO2 can be made if you start out with 16 moles of oxygen gas?
10 moles
Balance: __Al + __Fe3O4 ---> ___Al2O3 + ___Fe
Balance: __Al + __Fe3O4 ---> ___Al2O3 + ___Fe
8 Al + 3 FeO4 ---> 4Al2O3 + 9 Fe
What is the molar ratio of the following: __Al + __Fe3O4 ---> ___Al2O3 + ___Fe
What is the molar ratio of the following: __Al + __Fe3O4 ---> ___Al2O3 + ___Fe
8:3 :: 4:9
What is the number of grams of magnesium in 7.00 moles?
What is the number of grams of magnesium in 7.00 moles?
168 grams
Balance the equation: ___H2 + ___ O2 --> ___ H2O
Balance the equation: ___H2 + ___ O2 --> ___ H2O
2H2 + 2O2 ---> 2H2O
Balance the equation: ___CH4 + ___O2 --> ___ CO2 + ___H2O In the equation; ___H2 + ___ O2 --> ___ H2O
Balance the equation: ___CH4 + ___O2 --> ___ CO2 + ___H2O In the equation; ___H2 + ___ O2 --> ___ H2O
1 CH4; 2O2; 1 CO2; 2H2O
What is the number of grams of oxygen gas which are needed to produce 10 grams of water?
What is the number of grams of oxygen gas which are needed to produce 10 grams of water?
8.89 grams of O2
In the equation: ___CH4 + ___O2 --> ___ CO2 + ___H2O If you want to get 5.3 moles of water, how many moles of methane do you need?
In the equation: ___CH4 + ___O2 --> ___ CO2 + ___H2O If you want to get 5.3 moles of water, how many moles of methane do you need?
2.65 moles of methane
When doing mass percent calculations, it is always a good idea to check to make sure your mass percents add up to what?
When doing mass percent calculations, it is always a good idea to check to make sure your mass percents add up to what?
100%
Baking soda's chemical formula is NaHCO3. Find the mass percentages (mass %) of carbon in baking soda (sodium hydrogen carbonate).
Baking soda's chemical formula is NaHCO3. Find the mass percentages (mass %) of carbon in baking soda (sodium hydrogen carbonate).
14.30 %
Baking soda's chemical formula is NaHCO3. Find the mass percentages (mass %) of sodium in baking soda (sodium hydrogen carbonate).
Baking soda's chemical formula is NaHCO3. Find the mass percentages (mass %) of sodium in baking soda (sodium hydrogen carbonate).
27.36 %
Baking soda's chemical formula is NaHCO3. Find the mass percentages (mass %) of hydrogen in baking soda (sodium hydrogen carbonate).
Baking soda's chemical formula is NaHCO3. Find the mass percentages (mass %) of hydrogen in baking soda (sodium hydrogen carbonate).
1.20 %
Baking soda's chemical formula is NaHCO3. Find the mass percentages (mass %) of oxygen in baking soda (sodium hydrogen carbonate).
Baking soda's chemical formula is NaHCO3. Find the mass percentages (mass %) of oxygen in baking soda (sodium hydrogen carbonate).
57.14 %
If your mole-mass (or mass-mole) solution has been set up properly, what should we always be able to do to the units on the diagonal from upper left to lower right?
If your mole-mass (or mass-mole) solution has been set up properly, what should we always be able to do to the units on the diagonal from upper left to lower right?
cancel the units
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