1. how do you balance chemical equations?

write the number of atoms in each element then add coefficients to the atoms on each side of the equation

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.

answer; the numbers of valence electrons in the acetic acid molecule (ch3co2h) is 24;