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