# How do you balance SO2+O2+H2O=H2SO4?

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marfre
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Mar 5, 2017

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Start with the skeleton equation:

Atoms on the left:

Atoms on the right:

To make the number of oxygen on the left to be even, add

Atoms on the left:

Atoms on the right:

To make the number of

Atoms on the left:

Atoms on the right:

Balanced!

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