angelabduwani
Answered

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Find the mass of 2 moles of:

1. Oxygen atoms

2. Oxygen molecules

Sagot :

Answer: 1. 2 moles of oxygen atoms = 32 grams

2. 2 moles of oxygen molecules = 64 grams

Explanation:

According to avogadro's law, 1 mole of every substance weighs equal to its molecular mass and contains avogadro's number of particles.

1 mole of oxygen atom (O) weighs = 16 g

Thus 2 moles of oxygen atom (O) weighs = [tex]\frac{16}{1}\times 2=32 g[/tex]

Also 1 mole of oxygen molecule [tex](O_2)[/tex] weigh = 32 g

Thus 2 moles of oxygen molecule [tex](O_2)[/tex] = [tex]\frac{32}{1}\times 2=64 g[/tex]

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