Chapter 14 Quizes

14-1:  Molarity

  1. What is the molarity of a 600mL solution containing 15.2g H3AsO4?  Molecular weight of  H3AsO4 is 141.94g/mol.

 

 

 

  1. Given the molecular weight of  H3AsO4 is 141.94g/mol, what mass would be required to make 400mL of a 0.75M solution?

 

 

  1. What volume of water must be added to 47.03g of KBr to make a 2.6M solution of KBr.

 

 

 

  1. What mass of KBr is required to make 50mL of a 1.2M solution?

 

 

 

  1. Calculate the molarity of a 250mL solution that contains 13.41g of AgCl2.  The molecular weight of AgCl2 is 178.8g/mol.