Chemistry 2000, Fall 96, Assignment 1

Due: September 12

All questions are equally weighted. Even when a question calls for a yes or no answer, you should provide a detailed answer.

1. Solve the equation .
2. Solve the equation .
3. 10mL of a 1.2mol/L aqueous solution of sodium chloride is mixed with 10mL of a 0.50mol/L aqueous solution of HCl. Take the density of water in these solutions to be approximately 1.0g/mL and calculate the mole fraction of chloride ions in the mixture.
4. How many moles of sodium ions does 200g of a 0.035mol/kg solution of sodium sulphate contain?
5. Consider the following data obtained for a reaction in which A is a reactant:

   

   Plot as a function of [A]. Do you recognize the shape of the curve?