Question

how many molecules are there in 6.8 miles of carbon monoxide gas

Answer 1

Answer:

$\large \boxed{4.1\times 10^{24}}$

Explanation:

There are 6.022 × 10²³ molecules in 1 mol of CO

$\text{No. of molecules} = \text{6.8 mol CO} \times \dfrac{6.022\times 10^{23} \text{ molecules CO}}{\text{1 mol CO}}\\\\= \mathbf{4.1\times 10^{24}}\textbf{ molecules CO}\\\\\text{There are \large \boxed{\mathbf{4.1\times 10^{24}}\textbf{ molecules}} in 6.8 mol of CO}$