Unit 3 · Stoichiometry

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Cambridge IGCSE Chemistry 0620 · 30 questions

Q6Stoichiometry

Balance: Mg + O₂ → MgO. The coefficients are

(a)2 and 2

(b)1 and 1

(c)1 and 2

(d)2 and 1

Correct answer: (a) 2 and 2

Explanation: 2Mg + O₂ → 2MgO.

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