Beaker A has 0.100 moll HA and 0.100 moll Naas in 100 mL of solution Beaker B ha

Question

Beaker A has 0.100 moll HA and 0.100 moll Naas in 100 mL of solution Beaker B has 0.100 moll HA and 0.100 moll Naas in 200mL of solution Beaker C has 0.100 moll HA, 0.100 moll Naas, and 0.0500 moll HC1 in l00mL of solution Beaker D has 0.100 moll HA, 0.100 moll Naas, and 0.100 moll Noah in l00mL solution. Beaker E has 0.100 moll HC1 and 0.100 moll Noah in 100 mL of solution. Answer the questions below, using A (for is less than), B (for is greater than), C (for is equal to), or D (for more information required).

Explanation / Answer

13. HA+NaA is a buffer solution.

   pH = pka+ log(salt/acid)

pH of buffer depends upon No of mol of each component present in solution.

but not on total volume .

answer: C

14. B

15. A

16. A

17. B

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