Kelvi

1.0 g of magnesium is burnt with 0.56 g O $_2$ in a closed vessel. Which reactant is left in excess and how much? (At. wt. Mg = 24; O = 16)

medium

Basic Concepts

2014

chemistry

Mg, 0.16 g

$O_2, 0.16 g$

Mg, 0.44 g

$O_2, 0.28 g$

Explanation

To determine which reactant is left in excess and how much, we need to analyze the reaction between magnesium (Mg) and oxygen (O $_2$ ). $\\ \\$ The balanced chemical equation for the combustion of magnesium is: $\\ 2 \,$ Mg $+$ O $_2 \rightarrow 2 \,$

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1.0 g of magnesium is burnt with 0.56 g O2_2 2​ in a closed vessel. Which reactant is left in excess and how much? (At. wt. Mg = 24; O = 16)

Explanation

Our AI powered practice platform can help you achieve your doctor dream.

1.0 g of magnesium is burnt with 0.56 g O $_2$ in a closed vessel. Which reactant is left in excess and how much? (At. wt. Mg = 24; O = 16)