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Kaplan OAT Chem > Ch 28 > Flashcards

Ch 28 Flashcards

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1
Q

The solvent dissolves the

A

Solute

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2
Q

What is the component of a solution which remains the same after mixing

A

Solvent

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3
Q

Solvation / Dissolution happens when

A

Attractive forces between solute and solvent are stronger than those between particles

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4
Q

The solubility of a solute is measured as the

A

Maximum amount of solute that can be dissolved in a particular solvent at a particular temperature

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5
Q

The solubility of a substance depends on

A

The temperature of the solution, solvent, and pressure

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6
Q

The solubility of liquids and solids increases with

A

Increasing temperature

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7
Q

The solubility of a gas increases with

A

Decreasing temperature and increasing pressure

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8
Q

What is a solution in which solute:solvent is small

A

Diluted

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9
Q

What is a solution in which solute:solvent is large

A

Concentrated

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10
Q

The mole fraction of a compound is the

A

Number of moles of compound / number of moles of all components

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11
Q

Molarity is the

A

Number of moles / Liters of solution

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12
Q

Molality is the

A

Number of moles / Kg of solvent

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13
Q

What equation is used for diluted solutions?

A

M1V1 = M2V2

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14
Q

Salts of Alkali Metals are soluble or unsoluble?

A

Soluble

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15
Q

Salts of Ammonium are soluble or unsoluble?

A

Soluble

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16
Q

Metal oxides are soluble or unsoluble?

A

Unsoluble

17
Q

Alkali metal oxides are soluble or unsoluble?

A

Soluble

18
Q

Salts w Cl-, Br-, and I- are soluble or unsoluble?

A

Soluble

19
Q

Salts of sulfates are soluble or unsoluble?

A

Soluble

20
Q

Hydroxides are soluble or unsoluble?

A

Unsoluble

21
Q

Alkali metal hydroxides are soluble or unsoluble?

A

Soluble

22
Q

Carbonate salts are soluble or unsoluble?

A

Unsoluble

23
Q

Phosphate salts are soluble or unsoluble?

A

Unsoluble

24
Q

Sulfide salts are soluble or unsoluble?

A

Unsoluble

25
Q

Sulfite salts are soluble or unsoluble?

A

Unsoluble

26
Q

Why doesn’t pure water conduct an electrical current?

A

Concentrations of hydrogen and hydroxide ions are very small

27
Q

What are electrolytes

A

Solutes that make conductive solutions

28
Q

A strong electrolyte is one that

A

Dissolves easily

29
Q

NaCl and KI are examples of

A

Strong electrolytes

Kaplan OAT Chem (16 decks)

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