Which of the following correctly describes the strengths of the acids in solution?

HA is an example of a strong acid, HB is an example of a weak acid.

HA and HB are both examples of strong acids.

HA and HB are both examples of weak acids.

HA is an example of a weak acid, HB is an example of a strong acid.

Use the K a values to determine whether there are more products or reactants at equilibrium for the given reaction. K a NH 4 +1 = 5.6x10 -10 K a HCO 3 -1 = 4.8x10 -11

More products. K a NH 4 +1 > K a HCO 3 -1

More products. K a NH 4 +1 < K a HCO 3 -1

More reactants. K a NH 4 +1 > K a HCO 3 -1

More reactants. K a NH 4 +1 < K a HCO 3 -1

A sample of pure water is neutral because it contains

equal amounts of hydroxide and hydrogen ions.

A student titrates 20.0 mL of 1.0 M NaOH with 2.0 M formic acid (weak monoprotic acid). Ka=1.8 x 10 -4 . What is the solution at the equivalence point?

basic, the only ion present at equilbrium is the conjugate base

acidic, the strong acid dissociates more than the weak base

basic, the higher concentration of the base is the determining factor.

neutral, equal moles of both acid and base are present

If the formic acid were replaced by a strong acid like HCl at the same concentration, how would that affect the volume needed to reach equivalence point?

changing the strength of the acid will not change the volume needed to reach equivalence pt.

the change would reduce the amount because the acid fully dissociates

the change would reduce the amount because the base is now more strongly attracted to the acid

the change would increase the amount because reaction will go to completion instead of equilibrium

AP Chemistry Acid Base Basics

Chemistry

11th Grade - University

NGSS covered

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

If a solution has a [OH^-] of 3.42 x 10^-12M what is the [H⁺]?

2.92 x 10^-3M

3.42 x 10²M

2.92 x 10^-2M

3.42 x 10^-5M

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the conjugate acid in the following equation?

PO₄^3-

HNO₃

NO₃^-

HPO₄^2-

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following represents the chemical formula for hydronium?

H₂O

H⁺

H₃O⁺

OH^-

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is not a strong acid?

HCl

HBr

HNO₃

When citric acid is produced by the cells of an orange and dissolves in water, it produces a relatively small number of hydronium ions. Citric acid is best described as a

concentrated acid.

weak acid.

dilute acid.

strong acid.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the conjugate base in the following reaction?

HCO₃^-

HCl

H₂CO₃

Cl^-

If a solution has a [H⁺] of 1.2 x 10^-4M what is the [OH^-]?

8.3 x 10^-4M

8.3 x 10^-11M

1.2 x 10¹⁰M

1.2 x 10^-4M

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AP Chemistry Acid Base Basics

If a solution has a [OH^-] of 3.42 x 10^-12M what is the [H⁺]?

What is the conjugate acid in the following equation?

Which of the following represents the chemical formula for hydronium?

Which of the following is not a strong acid?

When citric acid is produced by the cells of an orange and dissolves in water, it produces a relatively small number of hydronium ions. Citric acid is best described as a

What is the conjugate base in the following reaction?

If a solution has a [H⁺] of 1.2 x 10^-4M what is the [OH^-]?

Which donates protons?

Which accepts protons?

I am titrating 1M HCl with 1M NaOH. I have 25mL of HCl. How much NaOH will I need?

Access all questions and much more by creating a free account

Popular Resources on Wayground

Discover more resources for Chemistry

AP Chemistry Acid Base Basics

If a solution has a [OH-] of 3.42 x 10-12M what is the [H+]?

What is the conjugate acid in the following equation?

Which of the following represents the chemical formula for hydronium?

Which of the following is not a strong acid?

When citric acid is produced by the cells of an orange and dissolves in water, it produces a relatively small number of hydronium ions. Citric acid is best described as a

What is the conjugate base in the following reaction?

If a solution has a [H+] of 1.2 x 10-4M what is the [OH-]?

Which donates protons?

Which accepts protons?

I am titrating 1M HCl with 1M NaOH. I have 25mL of HCl. How much NaOH will I need?

Access all questions and much more by creating a free account

Popular Resources on Wayground

Discover more resources for Chemistry

If a solution has a [OH^-] of 3.42 x 10^-12M what is the [H⁺]?

If a solution has a [H⁺] of 1.2 x 10^-4M what is the [OH^-]?