Gas a and gas b are allowed to effuse. gas a has a molar mass of 4 g/mol and is 3 times faster than gas b. find the molar mass of gas b. a. 16

b. 25

c. 36

d. 49

Answer a is the best way for gas b

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.