chapter 14 Flashcards

0
Q

the conjugate acid of HSO4- is?

A

H2SO4

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1
Q

what is the conjugate acid of NH3?

A

NH4+

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2
Q

what is the pH of an aqueous solution at 25.0 degrees C that contains
3.98 X 10(^-9) M hydroxide ion?

A

5.60

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3
Q

calculate the pOH of a solution at 25 degrees C that contains
1.94x10(^-10) M hydrogen ions?

A

4.29

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4
Q

an aqueous solution contains 0.100 M (H+)

the pH of the solution is…

A

1.00

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5
Q

the conjugated base of HSO4- is

A

SO4

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6
Q

what is the pH of an aqueous solution at 25 degrees C In which (OH-) is 0.0025 M?

A

-11.40

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7
Q

what solution has the highest concentration of hydroxide ions?

A

pH= 12.59

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8
Q

sodium hydroxide is a strong base. this means that….

A

aqueous solutions of NaOH contain equal concentrations of H+ and OH

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9
Q

according to the bronsted Lowry def,….

A

a base is a proton acceptor

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10
Q

identify the Brønsted-Lowry acid in the following reaction

H20+CO 2/3 –> HCO3 +OH

A

H2O

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11
Q

the pOH of a solution of NaOH is 11.30. what is the (H+) for this solution?

A

2.0 X 10-3

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12
Q

the pH of a solution is 4.80. what is the concentration of hydroxide ions in this solution?

A

6.3 X 10^-10

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13
Q

what substance is formed when the hydroxide ions accepts a proton?

A

water

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