Quiz 2 - AQUEOUS SOLUTIONS AND pH - Chemistry - Grade 11- W9

What are the highest concentrations of H₃O+ions and OH- ions that can coexist in an aqueous solution?

• 1.0 X 10^-14 M each

• 1.0 X 10⁰ M and 1.0 X 10-¹⁴ M, respectively

• 1.0 X 10^-14 M and 1.0 X 10⁰ M, respectively

• 1.0 X 10^-7 M each

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Which of the following is not true regarding the self-ionization of water?

• It involves the formation of hydronium and hydroxide ions.

• It is in equilibrium.

• It shows that water is a strong electrolyte.

• It involves two water molecules forming two ions.

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A solution that has a [H₃O+] equal to 1 X 10^-4 M

• is neutral.

• is acidic.

• is basic.

• could be neutral, basic, or acidic.

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The [OH-] of an aqueous solution is 6.4 X 10^-5 M. What is the [H₃O+]?

• 1.6 X 10^-9 M

• 3.6 X 10^-9 M

• 1.6 X 10^-10 M

• 3.6 X 10^-10 M

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What is the [OH^-] in a 0.1 M HCl solution?

• 1 X 10^-1 M

• 1 X 10^-7 M

• 1 X 10^-13 M

• 1 X 10^-14 M

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What is the pH of a 0.0001 M HCl solution ?

What is the concentration of hydroxide ions in a solution that has a pH of 6.0 ?