Ch 9 Review the basics. This is just a review of simpler concepts or old material that you should...
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![Page 1: Ch 9 Review the basics. This is just a review of simpler concepts or old material that you should know to be successful with stoichiometry.](https://reader037.fdocuments.in/reader037/viewer/2022110210/56649e745503460f94b753ce/html5/thumbnails/1.jpg)
Ch 9 Reviewthe basics
.This is just a review of simpler concepts or old material that you should know to be successful with stoichiometry
![Page 2: Ch 9 Review the basics. This is just a review of simpler concepts or old material that you should know to be successful with stoichiometry.](https://reader037.fdocuments.in/reader037/viewer/2022110210/56649e745503460f94b753ce/html5/thumbnails/2.jpg)
#1
O1 mole of NaCl would equal
6.022 x 1023 atoms. (F…NaCl is compoud)
True or False
![Page 3: Ch 9 Review the basics. This is just a review of simpler concepts or old material that you should know to be successful with stoichiometry.](https://reader037.fdocuments.in/reader037/viewer/2022110210/56649e745503460f94b753ce/html5/thumbnails/3.jpg)
#2
OThere are 22.4 Liters of gas in 1 mole of ANY gas at STP.
O(T)
True or False
![Page 4: Ch 9 Review the basics. This is just a review of simpler concepts or old material that you should know to be successful with stoichiometry.](https://reader037.fdocuments.in/reader037/viewer/2022110210/56649e745503460f94b753ce/html5/thumbnails/4.jpg)
#3
OIn order to find the molar mass of a compound, you need to use the periodic table to look up ATOMIC NUMBERS.
O(F…need atomic masses)
True or False
![Page 5: Ch 9 Review the basics. This is just a review of simpler concepts or old material that you should know to be successful with stoichiometry.](https://reader037.fdocuments.in/reader037/viewer/2022110210/56649e745503460f94b753ce/html5/thumbnails/5.jpg)
#4
O1 mole of carbon is equal to 12.011 grams.
O(T)
True or False
![Page 6: Ch 9 Review the basics. This is just a review of simpler concepts or old material that you should know to be successful with stoichiometry.](https://reader037.fdocuments.in/reader037/viewer/2022110210/56649e745503460f94b753ce/html5/thumbnails/6.jpg)
#5
OAvogadro’s number is equal to 22.4 L.
O(F it is 6.022 * 1023)
True or False
![Page 7: Ch 9 Review the basics. This is just a review of simpler concepts or old material that you should know to be successful with stoichiometry.](https://reader037.fdocuments.in/reader037/viewer/2022110210/56649e745503460f94b753ce/html5/thumbnails/7.jpg)
#6
O1 mole of molecules is equal to Avogadro’s number of molecules
O(T)
True or False
![Page 8: Ch 9 Review the basics. This is just a review of simpler concepts or old material that you should know to be successful with stoichiometry.](https://reader037.fdocuments.in/reader037/viewer/2022110210/56649e745503460f94b753ce/html5/thumbnails/8.jpg)
#7
OThe mole is a handy conversion factor because it can be equal to so many different things.
O(T)
True or False
![Page 9: Ch 9 Review the basics. This is just a review of simpler concepts or old material that you should know to be successful with stoichiometry.](https://reader037.fdocuments.in/reader037/viewer/2022110210/56649e745503460f94b753ce/html5/thumbnails/9.jpg)
#8
OIt would be impossible to hold 1 mole of any substance in the palm of your hand.
O(F you can hold a mole of H atoms)
True or False
![Page 10: Ch 9 Review the basics. This is just a review of simpler concepts or old material that you should know to be successful with stoichiometry.](https://reader037.fdocuments.in/reader037/viewer/2022110210/56649e745503460f94b753ce/html5/thumbnails/10.jpg)
#9
OThe molar mass of Oxygen gas is 16.00 grams
O(F…Oxygen gas is diatomic so 32.00 g)
True or False
![Page 11: Ch 9 Review the basics. This is just a review of simpler concepts or old material that you should know to be successful with stoichiometry.](https://reader037.fdocuments.in/reader037/viewer/2022110210/56649e745503460f94b753ce/html5/thumbnails/11.jpg)
#10
OHow many sig figs in 12.00?.
O(4 sig figs)
![Page 12: Ch 9 Review the basics. This is just a review of simpler concepts or old material that you should know to be successful with stoichiometry.](https://reader037.fdocuments.in/reader037/viewer/2022110210/56649e745503460f94b753ce/html5/thumbnails/12.jpg)
#11
OHow many sig figs in the number 6.022 x 1023
O(4 sig figs)
![Page 13: Ch 9 Review the basics. This is just a review of simpler concepts or old material that you should know to be successful with stoichiometry.](https://reader037.fdocuments.in/reader037/viewer/2022110210/56649e745503460f94b753ce/html5/thumbnails/13.jpg)
#12
OThe formula for Iron (II) Nitride is...
O(Fe3N2)
![Page 14: Ch 9 Review the basics. This is just a review of simpler concepts or old material that you should know to be successful with stoichiometry.](https://reader037.fdocuments.in/reader037/viewer/2022110210/56649e745503460f94b753ce/html5/thumbnails/14.jpg)
#13
OThe charge on a beryllium ion would be….
O(+2)
![Page 15: Ch 9 Review the basics. This is just a review of simpler concepts or old material that you should know to be successful with stoichiometry.](https://reader037.fdocuments.in/reader037/viewer/2022110210/56649e745503460f94b753ce/html5/thumbnails/15.jpg)
#14
OWrite he formula for dinitrogen trioxide.
O(N2O3)
![Page 16: Ch 9 Review the basics. This is just a review of simpler concepts or old material that you should know to be successful with stoichiometry.](https://reader037.fdocuments.in/reader037/viewer/2022110210/56649e745503460f94b753ce/html5/thumbnails/16.jpg)
#15
ODisulfur Trioxide is a covalent compound
O(T)
True or False
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#16
ONaCl is an ionic compound
O(T)
True or False
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#17
OIn order to calculate from mass to moles, you must use Avogadro’s number
O(F, you need molar mass)
True or False
![Page 19: Ch 9 Review the basics. This is just a review of simpler concepts or old material that you should know to be successful with stoichiometry.](https://reader037.fdocuments.in/reader037/viewer/2022110210/56649e745503460f94b753ce/html5/thumbnails/19.jpg)
#18
OIn order to calculate from moles to liters, you must use the molar mass of the gas.
O(F, you need the conversion 22.4L/1mol)
True or False
![Page 20: Ch 9 Review the basics. This is just a review of simpler concepts or old material that you should know to be successful with stoichiometry.](https://reader037.fdocuments.in/reader037/viewer/2022110210/56649e745503460f94b753ce/html5/thumbnails/20.jpg)
#19
OIn order to calculate from atoms to moles, you will need to use 6.02 x 1023.
O(T)
True or False
![Page 21: Ch 9 Review the basics. This is just a review of simpler concepts or old material that you should know to be successful with stoichiometry.](https://reader037.fdocuments.in/reader037/viewer/2022110210/56649e745503460f94b753ce/html5/thumbnails/21.jpg)
#20
OHow many atoms 1 formula unit of NaOH.
O(3)
![Page 22: Ch 9 Review the basics. This is just a review of simpler concepts or old material that you should know to be successful with stoichiometry.](https://reader037.fdocuments.in/reader037/viewer/2022110210/56649e745503460f94b753ce/html5/thumbnails/22.jpg)
#21
OHow many Cl atoms in 1 mole of Carbon Tetrachloride, CCl4?
Just show work.O( 6.022x1023 x 4)
![Page 23: Ch 9 Review the basics. This is just a review of simpler concepts or old material that you should know to be successful with stoichiometry.](https://reader037.fdocuments.in/reader037/viewer/2022110210/56649e745503460f94b753ce/html5/thumbnails/23.jpg)
#22
O1 mole of iron atoms is enough for a large building.
O(F, it is about the size of ping pong ball)
True or False
![Page 24: Ch 9 Review the basics. This is just a review of simpler concepts or old material that you should know to be successful with stoichiometry.](https://reader037.fdocuments.in/reader037/viewer/2022110210/56649e745503460f94b753ce/html5/thumbnails/24.jpg)
#23
O1 mole of xenon gas will take up much more space than 1 mole of He gas.
O(F, 1 mole of all gas = 22.4 L )
True or False
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#24
OIt is impossible to calculate the molar mass of a substance if you do not know its formula.
O(T)
True or False
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#25
OThe limiting reactant will be the reactant that produces the most product.
O(F)
True or False
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#26
OTo calculate percent yield, you must be given the actual yield and have to use the balanced equation to calculate the theoretical yield
O(T)
True or False
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#27
OActual yield is 3.00g and theoretical yield is 4.00g. What is the %yield?
O(75%)
![Page 29: Ch 9 Review the basics. This is just a review of simpler concepts or old material that you should know to be successful with stoichiometry.](https://reader037.fdocuments.in/reader037/viewer/2022110210/56649e745503460f94b753ce/html5/thumbnails/29.jpg)
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#
OThe number 0.0034 has 2 sig figs
O(T)
True or False
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#
OIf you multiply 25.3 by 2.9 your final answer will have 3 sig figs
O(F, it has to match the sig figs of the least so it would have 2 sig figs)
True or False