. A sealed flask containing solutions that was previously heated was left in the room to cool down. The concentrations of the solution, in terms of molarity and molality, were taken immediately after heating and also when the solution is cooled. When the two sets of concentration readings were compared, one set showed discrepancy. Which set of concentration readings was not equal? The concentration reading expressed in molarity or the concentration reading expressed in molality?

Introductory Chemistry: An Active Learning Approach
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Author:Mark S. Cracolice, Ed Peters
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Chapter16: Solutions
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Problem 2E: Every pure substance has a definite and fixed set of physical and chemical properties. A solution is...
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1. . A sealed flask containing solutions that was previously
heated was left in the room to cool down. The
concentrations of the solution, in terms of molarity and
molality, were taken immediately after heating and also
when the solution is cooled. When the two sets of
concentration readings were compared, one set showed
discrepancy. Which set of concentration readings was not
equal? The concentration reading expressed in molarity or
the concentration reading expressed in molality?
B
Transcribed Image Text:1. . A sealed flask containing solutions that was previously heated was left in the room to cool down. The concentrations of the solution, in terms of molarity and molality, were taken immediately after heating and also when the solution is cooled. When the two sets of concentration readings were compared, one set showed discrepancy. Which set of concentration readings was not equal? The concentration reading expressed in molarity or the concentration reading expressed in molality? B
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