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Chemical Formulas w/Polyatomic ions
Writing Chemical Equations
Molar Conversions
Basic Stoichimetry
Advanced Stoichiometry
100
This is the formula for Sodium nitrate
What is NaNO3
100
Write the balanced equation for when sodium reacts with chlorine to make sodium chloride
What is 2Na + Cl2 --> 2NaCl
100
1 mole = __________ molecules of anything
What is 6.022 x 10^23
100
CaCl2 --> Ca + Cl2 How many moles of Calcium are produced if 5 moles of CaCl2 decomposes?
What is 5
100
What is the percent yield for a reaction that gives you 32 grams of a product when you were supposed to get 55 grams of that product?
What is 58%
200
This is the formula for Calcium phosphate
What is Ca3(PO4)2
200
This is the balanced equation for the decomposition of water into hydrogen gas and oxygen gas
What is 2H2O --> 2H2 + O2
200
5.2 moles of Ag = _________ atoms of Ag
What is 3.13 x 10^24 atoms of Ag
200
2NaF --> 2Na + F2 How many grams of sodium are needed to react with 10.0 grams of fluorine?
What is 12.1 grams?
200
2Na + Cl2 --> 2NaCl If 2.0 grams of sodium react with 2.0 grams of chlorine, how many grams of sodium chloride can be formed?
What is 3.3 grams
300
This is the formula for Titanium (IV) carbonate
What is Ti(CO3)2
300
This is the balanced equation for when sodium reacts with calcium chloride
What is 2Na + CaCl2 --> 2NaCl + Ca
300
How many molecules are in 10.0 grams of CaCl2?
What is 5.47 x 10^22 molecules
300
2H2O2 --> 2H2O + O2 How many liters (at STP) of oxygen gas can be produced if 5.0 liters of hydrogen peroxide decompose?
What is 2.5 liters?
300
How many grams of water are produced if I react 20.0 L of oxygen gas at STP with 20.0 L of hydrogen gas at STP and my reaction has a percent yield of 50%?
What is 8.05 (or 8.04 if kept in calculator)
400
This is the formula for Magnesium bicarbonate
What is Mg(HCO3)2
400
This is the balanced reaction for the decomposition of potassium chlorate into potassium chloride and oxygen gas
What is 2KClO3 --> 2KCl + 3O2
400
5.020 x 10^25 molecules of sodium chloride weighs how many grams?
What is 4835 grams
400
2H2O2 --> 2H2O + O2 How many molecules of water can be produced if 10.0 grams of hydrogen peroxide decompose?
What is 1.77 x 10^23 molecules of water
400
What is the percent yield of a reaction if 5.400 moles of silver atoms react with 2.900 x 10^24 oxygen molecules and form 500.0 grams of silver (i) oxide forms?
What is 79.8%
500
This is the formula for ammonium phosphate
What is (NH4)3PO4
500
This is the balanced equation for the reaction of sodium phosphate and aluminum sulfate
What is 2Na3PO4 + Al2(SO4)3 --> 3Na2SO4 + 2AlPO4
500
2.3 grams of ammonium carbonate has how many molecules?
What is 1.4 x 10^22 molecules
500
NaNO3 + CaCl2 --> 2.5 grams of sodium nitrate reacts with excess calcium chloride. How much calcium nitrate is produced?
What is 2.4 grams
500
Hydrogen peroxide decomposes into water and oxygen. If 50.0 grams of hydrogen peroxide decomposes, and the reaction has a yield of 85%, how many liters of oxygen gas could be produced and how many molecules of water are produced?
What is 14.0 L O2 and 7.53 x 10^23 molecules of water