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Which one of the following is a balanced equation? A. 2Ca (s) + O2 (g) → 2CaO (s) B. 6Ca (s) + 2O2 (g) → 6CaO (s) C. 4Ca (s) + O2 (g) → 2CaO (s) D. 6Ca (s) + 4O2 (g) → 2CaO (s)

Respuesta :

Answer is option (A)
Giangiglia

Answer:

Option A)

Explanation:

Hi, the balanced equation is the option A)

To be balanced it has to have the same quantity of each element at each side of the equation.

Option B) has more O atoms in the products than  the reactants

Option C) has less Ca atoms in the products than  the reactants

And option D) has less O and Ca atoms in the products than  the reactants

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