How many moles are in 3.4 x 1022 molecules of MgCl2?
show work please

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

20 drops hope this

the answer is option a.