Question

Which mass of carbon contains the same number of atoms as 16.0 g of sulfur?

Answer 1

6 g of carbon contains the same number of atoms as 16.0 g of sulfur

Explanation:

According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number $6.023\times 10^{23}$ of particles.

To calculate the moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text {Molar mass}}=\frac{16.0g}{32g/mol}=0.5moles$

1 mole of sulphur contains = $6.023\times 10^{23}$ atoms

0.5 mole of sulphur contains = $\frac{6.023\times 10^{23}}{1}\times 0.5=3.012\times 10^{23}$ atoms

$6.023\times 10^{23}$ atoms of carbon has mass = 12 g

$3.012\times 10^{23}$ atoms of carbon has mass =$\frac{12}{6.023\times 10^{23}}\times 3.012\times 10^{23}=6g$

6 g of carbon contains the same number of atoms as 16.0 g of sulfur

Learn more about avogdro's law

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Answer 2

$\mathbb{ \ \ A\ N\ S\ W\ E\ R\: \: }$

6 g of carbon contains the same number of atoms as 16.0 g of sulfur