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To Do Finish reading Chapter 4. Text homework for Chapter 4. Quiz #2 on Friday, February 13 Lon-Capa assignment #3. 1
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Exam Tuesday: rooms online. Conflict exam; Tuesday from 5:00-6:30 pm in 259 English Bldg. Sign up outside of 367J Noyes Lab Review sessions Sunday (15 th ): 100 NL; 12-2 pm Monday (16 th ): 100 NL; 6-8 pm 2
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Clicker Question You mix a 3.00 M sugar solution with a 5.00 M sugar solution. Which of the following best describes the concentration of the new solution? a)Less than 3.00 M. b)Between 3.00 M and 5.00 M. c)8.00 M. d)Greater than 8.00 M. e)The answer could be more than one of the above choices depending on the volumes of the original solutions. 3
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A Question For You… You mix 200.0 mL of a 3.00 M sugar solution with 500.0 mL of a 5.00 M sugar solution. Determine the concentration (in molarity) of the resulting sugar solution. 4
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5 Problem Solving Approach What are we trying to solve? That is “where are we going?” What does this mean? What do we know? That is, “where have we been?” What procedures do we know? That is, “how do we get there?” Requires knowledge and understanding!
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Chapter 4: #60 What mass of silver chloride can be prepared by the reaction of 100.0 mL of 0.20M silver nitrate with 100.0 mL of 0.15M calcium chloride? Calculate the concentrations of each ion remaining in solution after precipitation is complete. 6
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