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Author Question: What mass of potassium hypochlorite must be added to 450. mL of water to give a solution with pH = ... (Read 60 times)

jojoperlo_

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on: Nov 5, 2023

Question 1

What mass of ammonium chloride must be added to 250. mL of water to give a solution with pH = 4.85?  [Kb(NH3) = 1.8 × 10–5]
◦ 4.7 g
◦ 75 g
◦ 2.3 × 10–3 g
◦ 19 g
◦ 10. g

Question 2

What mass of potassium hypochlorite must be added to 450. mL of water to give a solution with pH = 10.20?  [Ka(HClO) = 4.0 × 10–8]
◦ 20. g
◦ 0.032 g
◦ 4.1 g
◦ 2.4 g
◦ 9.1 g
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
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Marked as best answer by jojoperlo_ on Nov 5, 2023

DevinBrifm

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Reply #1 on: Nov 5, 2023
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jojoperlo_

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Reply 2 on: Nov 5, 2023
Excellent

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Reply 3 on: Yesterday
Gracias!

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