A 0. 300 m solution of hcl is prepared by adding some 1. 50 m hcl to a 500 ml volumetric flask and diluting to the mark with deionized water. What volume of 1. 50 m hcl must be added?.

c is the answer because when something is left after something evaporates that shows the chemical change.

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.