Test 4 Flashcards

0
Q

The pH of a 0.05 M solution of potassium hydroxide, KOH, a base, is

A

12.7

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1
Q

What is the molarity of a solution that contains 2.35 g of NH3 in 0.0500 L of solution?

A

2.76 M

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2
Q

In a hydrochloric acid solution, where the [HCl] is 0.010M, what is the pH?

A

pH=2.0

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3
Q

In water solution, the conjugate base of HF is

A

F-

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4
Q

An increase in the temperature of a solution usually

A

Increases the solubility of a solid solute in the solution

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5
Q

A solution of an electrolyte in water will

A

Carry an electric current

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6
Q

A solid that comes out of a solution as it’s solubility is exceeded is called a

A

Precipitate

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7
Q

In water, a substance that ionizes completely in solution is called a

A

Strong electrolyte

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8
Q

During the process of diluting a solution to a lower concentration,

A

The volume of solute does not change

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9
Q

When some of the sugar added to iced tea remains undissolved at the bottom of the glass, the solution is…

A

Saturated

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10
Q

Acid base neither

HCl

A

Acid

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11
Q

Acid base neither

NaCl

A

Neither

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12
Q

Acid base neither

NaOH

A

Base

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13
Q

According to Henry’s law, the solubility of a gas in a liquid

A

Increases as the gas pressure above the liquid increases

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14
Q

In a neutralization reaction

A

An acid and a base react to form a salt and water

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