Oxidation Numbers 8

Here are some examples

H₂SO₃

Na₂SO₃

Sulfurous Acid

Sodium Sulfite

The -ous in the acid becomes -ite in the salt.

H₂SO₄

Na₂SO₄

Sulfuric Acid

Sodium Sulfate

The -ic in the acid becomes -ate in the salt.

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H₂SO₃	Na₂SO₃
Sulfurous Acid	Sodium Sulfite
The -ous in the acid becomes -ite in the salt.

H₂SO₄	Na₂SO₄
Sulfuric Acid	Sodium Sulfate
The -ic in the acid becomes -ate in the salt.