Lareina the laboratory technician is given the task of making a solution containing HOBr (Ka=2.8×10−9) and KOBr and testing its behavior when strong acid or base is added to it. Part 1 First, Lareina combines 76.25 g KOBr and 255 mL of 1.40 M HOBr and adds enough distilled water to make 850 mL of solution. What is the pH of this solution? pH solution = Part 2 Next, Lareina adds 12.0 mL of
Lareina the laboratory technician is given the task of making a solution containing HOBr (Ka=2.8×10−9) and KOBr and testing its behavior when strong acid or base is added to it.
Part 1
First, Lareina combines 76.25 g KOBr and 255 mL of 1.40 M HOBr and adds enough distilled water to make 850 mL of solution. What is the pH of this solution?
pH solution =
Part 2
Next, Lareina adds 12.0 mL of 2.40 M HNO3 to 375 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 2.30 M NaOH ito 365 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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