Question

How many moles of O2 are dissolved n 10.0 L of a 0.001 mol dm-3 solution?

Answer 1

`0.01molO_2`

Step-by-step explanation:

Hello there!

In this case, by considering the definition of molar solution as the moles of solute over volume in liters or cubic meters of solution, we can see that actually 10.0 L of the solution are equal to 10.0 dm³. In such a way, since the concentration is 0.001 mol / dm³, the moles of oxygen that are dissolved turn out to be:

`0.001mol/dm^3 * 10.0dm^3\\\\0.01molO_2`

Best regards!