How would your calculated value for the molecular weight of your unknown been affected if a small quantity of the unknown stuck to the metal stirring rod and failed to dissolve in the benzophenone

a is the answer to this question

explanation:

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.