Alright, so that means we have 0.68 mol of the compound
For each 1 mol of the compound, we have 4*1 oxygens (because there are four oxygens in the formula)
Therefore for each 0.68 mol of the compound, we have 4*0.68 moles of oxygen!
Eutrophication results from an excess of
a. phosphates
Hello User,
The solid waste of yeast is removed by water and ethanol.
<span>(4) zinc.................</span>