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Biblioteka

Unit 11 Review

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Posljednje ažuriranje 6 months ago
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Pitanje 1
1.

Which reaction is a neutralization reaction?

Pitanje 2
2.

What happens to the pH level in a neutralization?

Pitanje 3
3.

Which substance donates H+ ions in a solution?

Pitanje 4
4.

What is the pH value of an acid?

Pitanje 5
5.

What is the correct set for

NH3 + H2O ⇋ NH4+ + OH-

Pitanje 6
6.

What is the pH of a solution with [H+] concentration of 1x10-8 M?

Pitanje 7
7.

What is the pH of 0.02 mol of NH3 in 0.5 L of solution?

Pitanje 8
8.

If [H3O+] < [OH-]

Pitanje 9
9.

Which of the following represents an acidic solution

Pitanje 10
10.

What is the conjugate base of HCl?

Pitanje 11
11.

Identify the conjugate acid-base pair.

Pitanje 12
12.

Find the conjugate base in H2SO4.

Pitanje 13
13.

Which of the following has a weak conjugate base?

Pitanje 14
14.

What is the correct description for this solution of HBr?

Pitanje 15
15.

You have 20.0 mL of HCl with an unknown concentration. The HCl is titrated with 0.0154 M Ba(OH)2. The equivalence point is reached when 27.4 mL of barium hydroxide has been added. What is the concentration of the HCl solution?

2HCl + Ba(OH)2 → BaCl2 + 2H2O