Solution Stoichiometry - Solution Stoichiometry For...

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Solution Stoichiometry For balanced chemical equations involving solutions we calculate the number of moles by knowing the concentration (moles/liter, or Molarity ) and volume (in liters ). How many moles of water form when 25.0 mls of 0.100 M HNO 3 (nitric acid) solution is completely neutralized by NaOH (a base)? 1. Let's begin by writing the balanced equation for the reaction: 2. The stoichiometric relationship between HNO 3 and H 2 O is HNO 3 H 2 O, therefore, for one mole of HNO 3 that is completely consumed (i.e. neutralized) in the reaction, one mole of H 2 O is produced. 3. How many moles of HNO 3 are we starting with? HNO 3 4. Therefore, we should have 0.0025 moles of H 2 O produced Titrations How can we know the concentration of some solution of interest? One answer to this problem lies in the method of titration . In titration we will make use of a second solution known as a standard solution which has the following characteristics: 1. The second solution contains a chemical which reacts in a defined way,
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This note was uploaded on 11/22/2011 for the course CHEMISTRY CHM1025 taught by Professor Laurachoudry during the Fall '10 term at Broward College.

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Solution Stoichiometry - Solution Stoichiometry For...

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