Lareina the laboratory technician is given the task of making a solution containing HOBr ( Ka KOBr and testing its behavior when strong acid or base is added to it. Part 1 Question #7 = 2.8 × 10-9) and First, Lareina combines 90.54 g KOBr and 255 mL of 1.30 M HOBr, and adds enough distilled water to make 800 mL of solution. What is the pH of this solution? pH solution= Part 2 Next, Lareina adds 12.0 mL of 2.20 M HNO3 to 350 mL of the solution made in Part 1. What is the pH of the solution after the HNO3 is added? pH after HNO3 added = Part 3 Finally, Lareina adds 12.0 mL of 2.20 M NaOH ito 370 mL of the solution made in Part 1. What is the pH of the solution after the NaOH is added? pH after NaOH added =

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Question #7
Lareina the laboratory technician is given the task of making a solution containing HOBr ( Ka = 2.8 x 10-9) and
KOBr and testing its behavior when strong acid or base is added to it.
Part 1
First, Lareina combines 90.54 g KOBr and 255 mL of 1.30 M HOBr, and adds enough distilled water to make 800 mL of
solution. What is the pH of this solution?
pH solution
Part 2
=
Next, Lareina adds 12.0 mL of 2.20 M HNO3 to 350 mL of the solution made in Part 1. What is the pH of the solution after
the HNO3 is added?
pH after HNO3 added
Part 3
=
Finally, Lareina adds 12.0 mL of 2.20 M NaOH ito 370 mL of the solution made in Part 1. What is the pH of the solution
after the NaOH is added?
pH after NaOH added =
Transcribed Image Text:Question #7 Lareina the laboratory technician is given the task of making a solution containing HOBr ( Ka = 2.8 x 10-9) and KOBr and testing its behavior when strong acid or base is added to it. Part 1 First, Lareina combines 90.54 g KOBr and 255 mL of 1.30 M HOBr, and adds enough distilled water to make 800 mL of solution. What is the pH of this solution? pH solution Part 2 = Next, Lareina adds 12.0 mL of 2.20 M HNO3 to 350 mL of the solution made in Part 1. What is the pH of the solution after the HNO3 is added? pH after HNO3 added Part 3 = Finally, Lareina adds 12.0 mL of 2.20 M NaOH ito 370 mL of the solution made in Part 1. What is the pH of the solution after the NaOH is added? pH after NaOH added =
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