Question

2. HCl (aq) is a strong acid Kb of NH3(aq) (ammonium hydroxide) = 1.8 x 10...

2. HCl (aq) is a strong acid

Kb of NH3(aq) (ammonium hydroxide) = 1.8 x 10 -5

pKa of HF is 3.18

Use the information above to answer the following:

a. Is the solution of NaF acidic, basic or neutral?

b. Is the solution of KCl acidic, basic, or neutral?

c. In an aqueous solution of NH4Cl what is the acid?

d. Is the pH of an ammonium hydroxide solution less than, equal to, or greater than 7?

Could you please give the answer to the question and explain how you got there?

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Homework Answers

Answer #1

a. Is the solution of NaF acidic, basic or neutral?

Answeer: NaF is a salt of strong base,weakacid . so that it is Basic in nature.

b. Is the solution of KCl acidic, basic, or neutral?

Answer: KCl is a salt of strong acid,strong base. so that it is neutral in nature.

c. In an aqueous solution of NH4Cl what is the acid?

answer: NH4Cl salt of strong acid,weak base. so that it is acidic in nature.

d. Is the pH of an ammonium hydroxide solution less than, equal to, or greater than 7?

answer: NH4OH is a weakbase.so that its pH is greater than 7

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