Question

A container contains 1.806x10^23 oxygen molecules,O_2.A sample of 0.5 mol of oxygen gas,O_2 is added to the container.How many molecules are there altogether in the container.
@iPwnBunnies

Answer 1

@iPwnBunnies

Answer 2

So, it's saying there's already 1.806e23 molecules of O2. Not atoms of oxygen. Which is good.
You can convert the 0.5 moles of O2 into molecules. Then add the molecules up.

Answer 3

Thnx @iPwnBunnies :)