If sucrose (c12h22o11) is composed of glucose (c6h12o6) and fructose (c6h12o6) shouldn't the molecular formula be (c12h24o12). what happened to the missing hydrogen and oxygen atoms?

This is a type of condensation reaction.

Explanation:  Condensation reactions are the reactions in which two small molecules combine to form a larger molecules producing a small molecule such as ,   etc. as a byproduct.

Glucose( and Fructose() are the simplest carbohydrates and when they combine to produce Sucrose() and release water() as a byproduct.

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explanation: