Convert 7.80x1024 molecules of carbon dioxide gas (CO2) to moles.

Explanation:

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

From the question we have

We have the final answer as

Hope this helps you

when [oh-] is 10-5  m, and [h3o+] is 10-9  m, the poh is 5 and ph is 9. again in both cases the sum of ph and poh is 14. however, the hydrogen ion concentration is not always going to be equal to exactly 1 x 10 raised to a negative number. for example, we skipped over the value of 2.0 x 10-7.