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Objective: To use molarity definition to calculate the molarity of a solution from knowledge of the amount of solute (in grams or moles) and the volume of the solution.
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Molarity Calculations
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Case Studies Given information about two solutions, identify which has the greatest molarity and by what factor. 6 Questions
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Solution ID Given information about three solutions, identify any that have a specified molarity 6 Questions
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Solve It! Given the mass of solute and volume of solution, calculate moles of solute and the molarity of the solution. 4 Questions
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Molarity (M):
Al(OH)3,NaF,NaOH,NaNO3,HNO3
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Molar Mass (g/mol) Al(OH)3           78.1 HF                  20.0 HNO3              63.0 H2SO4             98.0 NaF                42.0 NaOH             40.1 NaNO3           85.0
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# moles solute:
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A solution is made by dissolving 35.2 grams of HNO3 in 100.0 mL of solution. Fill in the blanks and determine the molar concentration of HNO3.
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100.0,250.0, 400.0,500.0
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43.7,21.7,32.7,51.8,35.2,52.7,36.1,34.7,62.6,71.5,56.5,38.5,42.1,71.9,82.6,62.7,44.9,56.1,78.3,91.2
Volume Sol'n (L):
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The solution with the greatest molarity is Solution ...
C,D,A,B
Its molarity is greater than B by a factor of ...
Case Studies
Solution A
Solution B
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