AICE CHEMISTRY Summer Assignment.doc

# D how many grams of the excess reactant is left

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d. How many grams of the excess reactant is left unreacted? e. What volume of HBr, measured at STP, is produced in (b)? 8) When ammonia gas, oxygen gas and methane gas (CH 4 ) are combined, the products are hydrogen cyanide gas and water. a. Write a balanced chemical equation for this reaction. b. Calculate the mass of each product produced when 225 g of oxygen gas is reacted with an excess of the other two reactants. c. If the actual yield of the experiment in (b) is 105 g of HCN, calculate the percent yield.

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AICE Chemistry Summer Review Belleview High School 2017-2018 9) When solutions of potassium iodide and lead (II) nitrate are combined, the products are potassium nitrate and lead (II) iodide. a. Write a balanced equation for this reaction, including (aq) and (s). b. Calculate the mass of precipitate produced when 50.0 cm 3 of 0.45 mol/dm 3 potassium iodide solution and 75 cm 3 of 0.55 mol/dm 3 lead (II) nitrate solution are mixed. c. Calculate the volume of 0.50 mol/dm 3 potassium iodide required to react completely with 50.0 cm 3 of 0.50 mol/dm 3 lead (II) nitrate.
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