Cuantas moléculas de oxigeno se producen por la descomposición de 28.5 g de H2O2 (masa molecular = 34.0g/mol) de acuerdo a la ecuación 2H2O2(l) → 2H2O(l)+O2(g)

The question is as follows: How many oxygen molecules are produced by the decomposition of 28.5 g of H2O2 (molecular mass = 34.0g / mol) according to the equation

2H2O2 (l) → 2H2O (l) + O2 (g)

There are molecules are produced by the decomposition of 28.5 g of according to the equation .

Explanation:

Given: Mass of = 28.5 g

As moles is the mass of a substance divided by its molar mass. Hence, moles of is calculated as follow.

According to the given equation, 2 moles of gives 1 mole of . So, moles of produced by 0.838 moles of  will be calculated as follows.

This means that moles of produced is 0.419 mol.

As per the mole concept, 1 mole of every substance has molecules.

So, molecules of present in 0.419 mole are as follows.

Thus, we can conclude that there are molecules are produced by the decomposition of 28.5 g of according to the equation .

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