A 46.2-mL, 0.568 M calcium nitrate [Ca(NO3)2] solution is mixed with 80.5 mL of 1.396 M calcium nitrate solution. Calculate the concentration (in M) of the final solution.

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter3: Chemical Reactions
Section3.11: Stoichiometry In Aqueous Solutions
Problem 3.28E: Sodium chloride is used in intravenous solutions for medical applications. The NaCl concentration in...
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A 46.2-mL, 0.568 M calcium nitrate [Ca(NO3)2] solution is mixed with 80.5 mL of 1.396 M calcium
nitrate solution. Calculate the concentration (in M) of the final solution.

 

 

Strategy

  • Because the concentration of the final solution is less than that of the original one, this is a dilution process.
    Keep in mind that in dilution, the concentration of the solution decreases but the number of moles of the solute remains the same. 
  •  

Note: Answers must be numeric, not alphanumeric—42, not forty-two.

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