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Biblioteka

Unit 11 Review (H)

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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 is the pOH value of an acid?

Pitanje 3
3.

What is the correct set for

NH3 + H2O ⇋ NH4+ + OH-

Pitanje 4
4.

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

Pitanje 5
5.

If [H3O+] < [OH-]

Pitanje 6
6.

Which of the following represents an acidic solution

Pitanje 7
7.

What is the conjugate base of HCl?

Pitanje 8
8.

Find the conjugate base in H2SO4.

Pitanje 9
9.

Which of the following has a weak conjugate base?

Pitanje 10
10.

What is the correct description for this solution of HBr?

Pitanje 11
11.

What is the concentration of hydroxide ions, OH⁻, in a solution at 25.0°C with pH = 3.65?

Pitanje 12
12.

Calculate the initial concentration of 2.10 mL of a strong base Ba(OH)₂ solution that required 42.0 mL of 0.0250 M hydrochloric acid to reach the equivalence point.

2HCl + Ba(OH)₂ → BaCl₂ + 2H₂O