If i add a coefficient of 3 i will have 9 Hydrogen (H) atoms.
Boric acid has the formula; H3BO3. This means that the compound has three hydrogen atoms, one boron atom and one oxygen atom.
If I add a coefficient of 3 then i must multiply all the atoms in the compound by 3 to have nine hydrogen atoms, three boron atoms and nine oxygen atoms.
Hence, if i add a coefficient of 3, i will now have 9 hydrogen atoms.
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