Determine the pH of an HF solution of each of the following concentrations. In which cases...

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Determine the pH of an HF solution of each of the following concentrations. In which cases can you not make the simplifying a

Part A 0.260 M Express your answer to two decimal places. VALD + O 21 ? pH = Submit Request Answer Part B 5.00x10-2M Express

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Answer 1

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HF (a) HE 199) Initial H Hays of Toys Change ) ( 0 ) tn - Tut][F] - x as HF is weak - LUFT cx reid Ka = x2 so (77x x² Kaxe x= o C2 2.008152 de J 6.8*10 4x2.00 x 102 2 3.69 xlo-3 [u+J= 3-69x103 m pr= -log 369x10-3 2.44

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Answer 2

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