How many moles are in 226 g of fe(no2)2 ?

answer

i think the answer is a) as air pressure in an area increases, the density of the gas particles in that area decreases.

hope it

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.