Plz help anyone, will do anything ;)

What is the mass from 8.20 x 10^23 molecules of potassium fluoride

explanation:

i think option no d is the correct answer

the major pests we deal with are insects, weeds and fungal diseases. a pesticide is a product, whether organic or chemical, used to kill the target pest. there are other techniques gardeners should use that can prevent the severe infestations that make the use of pesticides necessary