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02:20:1
The chemical equation of photosynthesis includes 602. What does the small number after the represent?
the total atomic weight of the oxygen
the number of oxygen molecules produced
O the number of oxygen atoms in each oxygen molecule
the number of oxygen atoms needed to balance the equation
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Answer:

The number of oxygen atoms in each oxygen molecule  

Explanation:

The subscript in 6O₂ represents the number of oxygen atoms in each oxygen molecule.

A is wrong. The subscript tells you nothing about the atomic weight of oxygen.

B is wrong. The 6 tells you how many molecules of O₂ are produced with each molecule of glucose.

D is wrong. The 6 tells you the number of oxygen atoms needed to balance the equation.

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