CHM 2045C Module Eight Solutions page 4

 

Part D: Solution Preparation Problems    5 points

 

1. How many grams of solute are needed to prepare 250 ml of a 0.0100 M KMnO4?

 

 

 

 

 

 

 

 

 

2.   20 grams of AgNO3 were placed in a 250 ml volumetric flask, calculate the Molarity of the Solution.

 

 

 

 

 

 

 

Part E: Solution Dilution/Concentration Problems   5 points

 

1. How many milliliters of a 12 M HCl (concentrated ) are required to make 2.00 L of a 1.00 M HCl?

 

 

 

 

 

 

 

 

2. A stock bottle of concentrated nitric acid indicates that the solution is 67.0 HNO3 by mass and has a density of 1.40 g/ml.  Calculate the molarity of concentrated nitric acid.