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Laabri

1.12 Acids and bases

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Last updated about 4 hours ago
14 Nsɛmmisa
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1.

Callieotic acid has a Ka value of 3.8 x 10-20. This acid is

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2.

As the strength of the acid increases, the strength of its conjugate base ___________

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3.

Consider the following acids and their Ka values. Rank the acids in order of decreasing strength (strongest to weakest)

Acid X - Ka = 1.4 x 10-5

Acid Z - Ka = 2.6 x 10-7

Acid W - Ka = 2.6 x 10-8

Acid Y - Ka = 8.7 x 10-7

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4.

Consider the following acids and their Ka values. Which is the best conductor of electricity?

Acid X - Ka = 1.4 x 10-5

Acid Z - Ka = 2.6 x 10-7

Acid W - Ka = 2.6 x 10-8

Acid Y - Ka = 8.7 x 10-7

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5.

Consider 2 acids: Hβ and Hθ. Hβ is a poor conductor of electricity. The conjugate base of Hθ is a weak base. Which of the following is true about the characteristics of these 2 acids? Check all that apply

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6.

What is the pH of a solution with a [H+] concentration of 1.0x10^-5 M?

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7.

For the Equation:

HClO4(aq) + H2O(l) ⇄ H3O+(aq) + ClO4–(aq)

What is the Acid?

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8.

NH3 + H2O ⇄

What is the conjugate base?

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9.

What is the hydrogen ion concentration in a solution that has a pH of 8.34? Show work for credit.

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10.

What is the hydroxide ion concentration in a solution that has a pOH of 5.70? Show work for credit.

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11.

What is the pH of a solution that contains 1.32 grams of nitric acid (HNO3) dissolved in 750 cm3 solution?

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12.

Which reaction is most likely to give the titration curve above?

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13.

This would not be a suitable titration curve for analysis purposes because

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14.

Potassium metal reacts violently with hydrochloric acid to produce potassium chloride solution and hydrogen gas.

The balanced chemical equation showing the reaction is: