PS08.Stoichiometry#1

Basic Chemistry (Chapters 1-16)

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CHEMISTRY 2001 NAME PROBLEM SET #8: Stoichiometry Problems DATE PERIOD DIRECTIONS: For each problem that requires a calculation, show the set-up , unit cancellations , and the answer . As always, EXPRESS YOUR ANSWER WITH THE CORRECT NUMBER OF SIG-FIG’S! 1. In an experiment, magnesium metal, Mg, is allowed to react with hydrogen chloride gas, HCl, to produce magnesium chloride (MgCl 2 ), and hydrogen gas (H 2 ). a) Write a balanced chemical equation for the reaction. Include state abbreviations [( s ), ( aq ), etc.] for each species. b) How many grams of MgCl 2 are produced if 55.0 grams of Mg react completely? 2. Methane, the principle constituent of natural gas, has a formula CH 4. When it is burned in air, it combines with gaseous oxygen to produce carbon dioxide and water. a) Write a balanced chemical equation for this reaction. Again include state abbreviations.
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Unformatted text preview: b) How many grams of water would be produced when 35.0 grams of methane are burned completely? 3. Silver reacts with nitric acid as indicated by the equation. ..... Ag + HNO 3--------> NO 2 + AgNO 3 + H 2 O NOT BALANCED a) Rewrite the equation, balanced. b) How many grams of nitric acid would be required to react with 15.0 grams of silver? c) If 15.0 grams of silver are consumed, how many grams of water would be formed? 4. The burning of solid sulfur, S 8 , in air forms a colorless gas, SO 2 , sulfur dioxide. On the basis of this information: a) Write the balanced chemical equation for this reaction. b) How many kilograms of S 8 are required to produce one kilogram of SO 2 ? Reminder kilo=1000!...
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PS08.Stoichiometry#1 - b) How many grams of water would be...

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