Find the pH of 0.25 M HF(aq) given that its Ka = 3.5×10-4. 3.46 4.06 0.60...

Question

Question

Find the pH of 0.25 M HF(aq) given that its K_a = 3.5×10_-4.

3.46

4.06

0.60

2.03

1.73

science chemistry

Answer 1

Answer #1

H+ + - HE 0.25 - X 0.25 x Ka= [H + ] [f-1 HF 3.5x10 Y= x2 0.25-2 x² + 3.5*10tk- 8.75x10-sol solving for a x = 9.18x163 H+ 1 =

Answer 2

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