7-8. The following questions refer to the following system: A 1.0 liter solution contains 0.25 M HF and 0.60 M NaF (K fo

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7 8 The Following Questions Refer To The Following System A 1 0 Liter Solution Contains 0 25 M Hf And 0 60 M Naf K Fo 1 (26.56 KiB) Viewed 36 times

7-8. The following questions refer to the following system: A 1.0 liter solution contains 0.25 M HF and 0.60 M NaF (K for HF is 7.2 x 10-4) 7. What is the pH of this solution? a) 1.4 b) 3.5 1 c) 4.6 d) 2.8 e) 0.94 ANS: b) 3,5 PAGE: 15.1,2 8. If one adds 0.30 liters of 0.020 M KOH to the solution what will be the change in pH? a) 0.0 b) 0.2 c) 0.4 d) 0.5 e) none of these ANS: a) 0.0 PAGE: 15.2