Lesson_4 - Limiting reactant • Limiting reactant is the...

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Chemical Reactions in Solution Lesson 4 Solutions are composed of a solvent and one or more solutes Solvent : present in the largest amount Solute : present in smaller amount than the solvent Solutions are homogeneous, i.e. have uniform properties
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Lesson 4 Composition of solutions Mole fraction Molality Molarity ( depends on T ) ; ... 1 2 1 = = + + + = n j j i n i i n n n n n n x 1 1 = = n j j x solvent of kg solute of moles molality = solution of liters solute of moles molarity = Percentage 25% (v/v): 25 ml solute per 100 ml solution 25% (w/v): 25 g solute per 100 ml solution 25% (w/w): 25 g solute per 100 g solution
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Example 1 Aqueous solutions of sodium hypochlorite (NaClO) Lesson 4
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Example 2 The fuel hydrazine can be produced by the reaction of solutions of sodium hypochlorite and ammonia: Lesson 4
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Lesson 4
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Unformatted text preview: Limiting reactant • Limiting reactant is the reactant that disappears first if the reaction proceeds to completion • The other reactants are called excess reactants • For the reaction of 1.0 mol of CO and 1.0 mol of 2 2 Lesson 4 Petrucci et al. An analogy for the limiting reactant Lesson 4 Example 3 Nitrogen gas can be prepared by passing gaseous ammonia over solid copper (II) oxide at high temperatures. The other products of the reaction are solid copper and water vapour. Example 4 The solid fuel booster rockets of the space shuttle are based on the following reaction between ammonium perchlorate and aluminum: Lesson 4 Lesson 4 Suggested readings 4.4 Determining the Limiting Reactant...
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This note was uploaded on 04/13/2009 for the course CHEMISTRY 102 taught by Professor Soares during the Spring '09 term at Waterloo.

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Lesson_4 - Limiting reactant • Limiting reactant is the...

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