Slide 1 of 19

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Naming and Writing Formulas for Acids and Bases

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An acid is a compound that contains one or

more _____________ atoms and produces

_____________ ions (___) when dissolved in

water. Acids have various uses.

9.4 Naming Acids

Slide 2 of 19

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Naming and Writing Formulas for Acids and Bases

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Three rules can help you name an acid with the general formula HnX.

When the name of the anion (X) ends in

-_____, the acid name begins with the

prefix _________-. The stem of the

anion has the suffix -___ and is

followed by the word _______.

9.4 Naming Acids

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Slide 3 of 19

Naming and Writing Formulas for Acids and Bases

> Naming Acids

When the anion name ends in -_____, the

acid name is the stem of the anion with

the suffix -______, followed by the word

acid.

9.4

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Slide 4 of 19

Naming and Writing Formulas for Acids and Bases

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When the anion name ends in -______,

the acid name is the stem of the anion

with the suffix -_____ followed by the

word acid.

9.4 Naming Acids

Slide 5 of 19

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Naming and Writing Formulas for Acids and Bases

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Naming Common Acids:

a.HCl

b.H2SO4

c.HNO3

d. CH2COOH

e. H3PO4

f. H2CO3

Slide 6 of 19

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Naming and Writing Formulas for Acids and Bases

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A Summary of the Three Rules for Naming Acids.

9.4 Naming Acids

Slide 7 of 19

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Naming and Writing Formulas for Acids and Bases

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Use the rules for writing the names of acids in reverse to write the formulas for acids.

What is the formula for hydrobromic acid? Following Rule 1, hydrobromic acid (hydro- prefix and -ic suffix) must be a combination of hydrogen ion (H+) and bromide ion (Br–). The formula of hydrobromic acid is HBr.

9.4 Writing Formulas for Acids

Slide 8 of 19

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Naming and Writing Formulas for Acids and Bases

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Writing the formula for Acids

a.Nitrous acid

b.Phosphoric acid

c.Hydrobromic acid

d.Carbonic acid

e.Sulfurous acid

f.Acetic acid

Slide 9 of 19

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Naming and Writing Formulas for Acids and Bases

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Bases are named in the same way as other ionic compounds—the name of the cation is followed by the name of the anion.

Al(OH)3

Sodium Hydroxide

9.4 Names and Formulas for Bases

Slide 10 of 19

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Naming and Writing Formulas for Acids and Bases

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Sodium hydroxide (NaOH) is a base that is used to make paper.

9.4 Names and Formulas for Bases

______________ and ___________ contain sodium hydroxide.