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Chemistry

Answered

A student investigated the reaction of magnesium with oxygen.

The student calculated that 4.8 g of magnesium would make 8.0 g of magnesium oxide.

The equation for the reaction is:

2Mg + O2 → 2MgO

What mass of oxygen is required to produce 8.0 g of magnesium oxide from 4.8 g of magnesium?

Answer :

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Based on The Law of Conservation of Mass Lavoisier, the mass of oxygen required is 3,2 g

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