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4 = Parts Molecule.

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12y ago
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6mo ago

The "4" in the formula 4H₂O represents the number of water molecules present. Each water molecule is composed of two hydrogen atoms and one oxygen atom, written as H₂O. So 4H₂O means there are 4 water molecules in the compound.

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Q: What does the 4 mean in the formula 4h20?
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