Jeopardy Mole calculations Stoked about Stoich Mixed Stoichiometry SolutionsAcids/Bases Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500 Final Jeopardy

$100 Question What is Avogadro's #

$100 Answer 6.02 x 10 23

$200 Question Calculate the molar mass of: Fe 2 O 3 Round to 2 decimal places

$200 Answer g/mole

$300 Question Calculate mass of 2.5 moles of Fe(NO 3 ) 2

$300 Answer g/mole

$400 Question Calculate the percent of water in: CoCl 2 6 H 2 O Round to 2 decimal places

$400 Answer g/mole = Molar mass Water =45.45%

$500 Question How many molecules are in 2 grams of ammonia?

$500 Answer 7.22 x Or 7.07 x 10 22

$100 Question Balance and write 3 mole ratios __ H 2 O  __ H 2 + __ O 2

$100 Answer 2 H 2 O  2 H O 2

$200 Question The ratio of Fe to Fe 2 O 3 in the reaction below is __Fe 2 O 3 + __ Al  __ Fe +__ Al 2 O 3

$200 Answer 2 Fe / 1 Fe 2 O 3

$300 Question Which of the following is true about this reaction: __ H 2 + __ AlCl 3  __ Al + __ HCl A)2 molecules of Hydrogen react B)6 moles of Hydrochloric acid can be produced C)2 liters of aluminum chloride react

$300 Answer 3 H AlCl 3  2 Al + 6 HCl B) 6 moles of Hydrochloric acid can be produces

$400 Question __ ZnS + __ O 2  __ ZnO + __ SO 2 a)Balance the equation b)How many moles of Zinc Oxide can be produced from 7.25 moles of Oxygen?

$400 Answer 2 ZnS + 3 O 2  2 ZnO + 2 SO 2 5 moles of ZnO

$500 Question __ C 6 H 6 + __ O 2  __ CO 2 + ___ H 2 O A)Balance the equations B)If I have 2.1 Liters of oxygen, how many Liters of Carbon dioxide can be made?

$500 Answer 2 C 6 H O 2  12 CO H 2 O 1.57 Liters Liters

$100 Question List 2 stoichiometric calculations where you DO NOT need the molar mass

$100 Answer Mole-Particle, Particle-Mole Volume-Particle, Particle-volume

$200 Question : 4 Fe + 3 O 2  2 Fe 2 O 3 How many liters of Oxygen are needed to produce 2 moles of Iron (III) Oxide?

$200 Answer 67.2 Liters

$300 Question When an equation is used to calculate the amount of product that will form during a reaction, then the value obtained is called the _______.

$300 Answer Theoretical yeild

$400 Question A student reacts Fluorine with calcium chloride to produce grams of calcium fluoride: CaCl 2 + F 2  CaF 2 + Cl 2 If stoichiometric calculations prove 20 g should have been produced, What is the students percent yield?

$400 Answer 93.6 %

$500 Question __C 2 H 4 + __O 2  __CO 2 + __H 2 O A)Balance the equation B)How many grams of C 2 H 4 are needed to produce 250 g of water?

$500 Answer g

$100 Question What is the equation for Concentration?

$100 Answer M = mole / Liters

$200 Question Calculate the molarity of a solution with 7 moles of solvent in 569 mL of solution

$200 Answer 12.3 M

$300 Question List the 3 factors that usually make a substance dissolve faster in a solvent

$300 Answer Agitation (stirring) Particle size Temperature

$400 Question What is the molarity of a solution containing 75 g of NaCl in 100 mL of water?

$400 Answer 12.8 M

$500 Question 3 L of 6 M HCl is diluted until the concentration is 0.1 M. What if the new volume of the dilute solution?

$500 Answer 180 L

$100 Question Acid or base: LiOH

$100 Answer Base

$200 Question What is the [H + ] of a neutral solution?

$200 Answer 1 x 10 -7

$300 Question Predict the products of the following neutralization reaction: H 2 SO 4 + KOH 

$300 Answer H 2 SO 4 + KOH  K 2 SO 4 + H 2 O (not balaced)

$400 Question Calculate the pH of a substance when [H+] = 3.2 x 10 -9

$400 Answer 8.5

$500 Question A solution has a [H+] of 2.5 x What is the pOH?

$500 Answer 9.4

Final Jeopardy Write the balanced neutralization reaction between Hydrochloric acid and Lead (II) hydroxide

Final Jeopardy Answer HCl + Pb(OH) 2  PbCl 2 + H 2 O

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