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Molecular Formula

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Question

Fill in the blanks.
H₂O is the _______ of water. It also represents _ molecule of water. There are __ atoms of hydrogen and _ atom of oxygen in H₂O. 2H₂O represents _____ molecules of water. There are _ atoms of hydrogen and _________ atoms of oxygen in 2H₂O.

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Solution

H₂O is the formula of water. It also represents one molecule of water. There are two atoms of hydrogen and one atom of oxygen in H₂O. 2H₂O represents two molecules of water. There are four atoms of hydrogen and two atoms of oxygen in 2H₂O.

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