Formula Weights
The chemical formula for a molecule shows how many atoms of each kind are present. From the formula and the atomic mass of the atoms you can find the formula weight or molecular mass for the compound.
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Formula Weights |
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The chemical formula for a molecule shows how many atoms of each kind are present. From the formula and the atomic mass of the atoms you can find the formula weight or molecular mass for the compound. |
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To calculate the formula weight for a compound we will select the atomic mass of each of the elements in the compound from the periodic table, multiply by the number of atoms, and sum the result.
Let's look at some examples.
