[H+] and pH (Lessons 84 - 86) - Stephanie Louris | Library

Here are a few slides to review....

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1

Classify each of the following substances as acids, bases, or neither

	Acid	Base	Neither
lemon juice tastes sour
a dilute solution of potassium hydroxide feels slippery
a sugar solution has a pH of 7
drain cleaner has a pH of 12
NaOH produces hydroxide ions in solution
HBr produces hydrogen ions in solution
H₂SO₄
NH₄OH
NH₃
Ba(OH)₂
HCOOH

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1

HCl is a strong acid. If you draw a particle view of HCl with 10 H⁺ ions, how many Cl^-ions would you need?

1

<10

10

>10

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1

CH₃COOH is a weak acid. If you draw a particle view of CH₃COOH in solution with 10 H⁺ ions, how many CH₃COO^- ions would you need?

1

<10

10

>10

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1

KOH is a strong base. If you draw a particle view of KOH in solution with 10 K⁺ ions, how many OH ions would you need?

1

<10

10

>10

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1

Mg(OH)₂ is a strong base. If you draw a particle view of Mg(OH)₂ with 10 Mg²⁺ ions, how many OH^- ions would you need?

1

When chemists talk about hydrogen ions (H⁺) in solution, they are really talking about which ions? Select all that apply.

H₃O⁺

Hydroxide ions

OH-

Hydronium ions

1

What is true about H₂SO₄, sulfuric acid? Select all that apply.

It's an Arrhenius acid

It's a Bronsted-Lowry acid

For every 1 H₂SO₄ that dissolves, 1 hydronium ion is produced

For every 1 H₂SO₄ that dissolves, 2 hydronium ions are produced

For every 1 H₂SO₄ that dissolves, 4 hydronium ions are produced

1

Washing soda, Na₂CO₃, is a base, either though there is no OH in the chemical formula. What is true about Na₂CO₃? Select all that apply.

It's an Arrhenius base

It's a Bronsted-Lowry base

It releases OH- when it goes into solution

It pulls an H⁺ off water, creating OH- in solution

1

Solution A has a pH of 4. Solution B has a pH of 6. How many more H⁺ ions are in Solution A compared to Solution B?

2x

10x

100x

1000x

1

Solution A has a pH of 4. Solution B has a pH of 6. How many more OH^- ions are in Solution B compared to Solution A?

2x

10x

100x

1000x

Quick review (scroll down to see the whole thing):

null

1

What is the pH of 0.000001 M HCl solution?

6

-6

8

-8

1

What is the pH of a solution with [H⁺] = 1.0 x 10^-12?

10

12

-12

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1

What is the pH of a 0.000001 M NaOH solution? (Check the Hint if you need to!)

6

-6

8

-8

1

What is the pH of a solution with [H⁺] = 4.2 x 10^-11 M ?

11

-11

10.4

-10.4

[H+] and pH (Lessons 84 - 86)

[H+] and pH (Lessons 84 - 86)

Classify each of the following substances as acids, bases, or neither

HCl is a strong acid. If you draw a particle view of HCl with 10 H+ ions, how many Cl- ions would you need?

CH3COOH is a weak acid. If you draw a particle view of CH3COOH in solution with 10 H+ ions, how many CH3COO- ions would you need?

KOH is a strong base. If you draw a particle view of KOH in solution with 10 K+ ions, how many OH ions would you need?

Mg(OH)2 is a strong base. If you draw a particle view of Mg(OH)2 with 10 Mg2+ ions, how many OH- ions would you need?

When chemists talk about hydrogen ions (H+) in solution, they are really talking about which ions? Select all that apply.

What is true about H2SO4, sulfuric acid? Select all that apply.

Washing soda, Na2CO3, is a base, either though there is no OH in the chemical formula. What is true about Na2CO3? Select all that apply.

Solution A has a pH of 4. Solution B has a pH of 6. How many more H+ ions are in Solution A compared to Solution B?

Solution A has a pH of 4. Solution B has a pH of 6. How many more OH- ions are in Solution B compared to Solution A?

What is the pH of 0.000001 M HCl solution?

What is the pH of a solution with [H+] = 1.0 x 10-12?

What is the pH of a 0.000001 M NaOH solution? (Check the Hint if you need to!)

What is the pH of a solution with [H+] = 4.2 x 10-11 M ?

Classify each of the following substances as acids, bases, or neither

HCl is a strong acid. If you draw a particle view of HCl with 10 H+ ions, how many Cl- ions would you need?

CH3COOH is a weak acid. If you draw a particle view of CH3COOH in solution with 10 H+ ions, how many CH3COO- ions would you need?

KOH is a strong base. If you draw a particle view of KOH in solution with 10 K+ ions, how many OH ions would you need?

Mg(OH)2 is a strong base. If you draw a particle view of Mg(OH)2 with 10 Mg2+ ions, how many OH- ions would you need?

When chemists talk about hydrogen ions (H+) in solution, they are really talking about which ions? Select all that apply.

What is true about H2SO4, sulfuric acid? Select all that apply.

Washing soda, Na2CO3, is a base, either though there is no OH in the chemical formula. What is true about Na2CO3? Select all that apply.

Solution A has a pH of 4. Solution B has a pH of 6. How many more H+ ions are in Solution A compared to Solution B?

Solution A has a pH of 4. Solution B has a pH of 6. How many more OH- ions are in Solution B compared to Solution A?

What is the pH of 0.000001 M HCl solution?

What is the pH of a solution with [H+] = 1.0 x 10-12?

What is the pH of a 0.000001 M NaOH solution? (Check the Hint if you need to!)

What is the pH of a solution with [H+] = 4.2 x 10-11 M ?

HCl is a strong acid. If you draw a particle view of HCl with 10 H⁺ ions, how many Cl^-ions would you need?

CH₃COOH is a weak acid. If you draw a particle view of CH₃COOH in solution with 10 H⁺ ions, how many CH₃COO^- ions would you need?

KOH is a strong base. If you draw a particle view of KOH in solution with 10 K⁺ ions, how many OH ions would you need?

Mg(OH)₂ is a strong base. If you draw a particle view of Mg(OH)₂ with 10 Mg²⁺ ions, how many OH^- ions would you need?

When chemists talk about hydrogen ions (H⁺) in solution, they are really talking about which ions? Select all that apply.

What is true about H₂SO₄, sulfuric acid? Select all that apply.

Washing soda, Na₂CO₃, is a base, either though there is no OH in the chemical formula. What is true about Na₂CO₃? Select all that apply.

Solution A has a pH of 4. Solution B has a pH of 6. How many more H⁺ ions are in Solution A compared to Solution B?

Solution A has a pH of 4. Solution B has a pH of 6. How many more OH^- ions are in Solution B compared to Solution A?

What is the pH of a solution with [H⁺] = 1.0 x 10^-12?

What is the pH of a solution with [H⁺] = 4.2 x 10^-11 M ?

HCl is a strong acid. If you draw a particle view of HCl with 10 H⁺ ions, how many Cl^-ions would you need?

CH₃COOH is a weak acid. If you draw a particle view of CH₃COOH in solution with 10 H⁺ ions, how many CH₃COO^- ions would you need?

KOH is a strong base. If you draw a particle view of KOH in solution with 10 K⁺ ions, how many OH ions would you need?

Mg(OH)₂ is a strong base. If you draw a particle view of Mg(OH)₂ with 10 Mg²⁺ ions, how many OH^- ions would you need?

When chemists talk about hydrogen ions (H⁺) in solution, they are really talking about which ions? Select all that apply.

What is true about H₂SO₄, sulfuric acid? Select all that apply.

Washing soda, Na₂CO₃, is a base, either though there is no OH in the chemical formula. What is true about Na₂CO₃? Select all that apply.

Solution A has a pH of 4. Solution B has a pH of 6. How many more H⁺ ions are in Solution A compared to Solution B?

Solution A has a pH of 4. Solution B has a pH of 6. How many more OH^- ions are in Solution B compared to Solution A?

What is the pH of a solution with [H⁺] = 1.0 x 10^-12?

What is the pH of a solution with [H⁺] = 4.2 x 10^-11 M ?