Essential Chemistry for IGCSE - Formulae And Equations (Section 5 - No. 9) | ExamPlay

Essential Chemistry for IGCSE - Formulae And Equations (Section 5 - No. 9)

In the reaction: 2Mg + O2 -> 2MgO, what is the ratio of magnesium to magnesium oxide?

1:1

1:2

2:1

2:2

Explanation

The ratio is 2:2 when the equation is balanced.

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