Question

Calculate the mass in grams of a single atom of oxygen?

Answer 1

1 atomic mass unit=1.661×10^-24g
mass of single oxygen atom=16 a.m.u
=16×1.661×10^-24
=26.576×10^-24g

Answer 2

Answer:

$\huge\mathfrak\green{{Here~is~your~Answer}}$

1 mole of oxygen contains 16 g

Means

1 mole of oxygen = 16 g

$6.022 \times {10}^{23}$ atoms of oxygen = 16 g

1 atom of oxygen = $\frac{16}{(6.022 \: \times \: {10}^{23}) }$

→ $2.65 \: \times \: {10}^{ - 23} g$

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