1) Describe how you would make 25 mL of 0.02M ammonium hydroxide solution.
 

2) What is the  molarity of a 2.5% w/v solution of glucose (C₆H₁₂O₆)

3) How will you prepare a 125 mL of 0.805mg% sodium chloride solution?

4) How will you make a 600 mL  of 4.5ppm Cu2+ solution from a 12ppm Cu2+ solution?

5) Identify the acid and base in the following equations:
a) CH₃COOH      + NH₃            =    CH₃COO^-    +     NH₄⁺

b) CH₃NH₂         +    H₂O         =    CH₃NH₃+    +     OH^-
 

6) Calculate the hydroxide ion concentration for a solution with a pH of 6.2.

7) Calculate the pH of a solution with a hydroxide concentration of 2.3 x 10^-10.

8) Calculate the pH of a solution which has 2.5g HCl dissolved in 650 mL water.

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