Question

2.56 x 10^13 molecules of HgO equates to how many moles of HgO?

Answer 1

Step-by-step explanation:

To find the number of moles in a substance given it's number of entities we use the formula

`n = (N)/(L) \\`

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

We have

`n = \frac{2.56 * {10}^(13) }{6.02 * {10}^(23) } \\ \\ \\ = 4.25 * {10}^( - 11) \: \: \: moles`

Hope this helps you