A 27.6 g compound is made up of 16.4 g N and 11.2 g C. What is the percent composition of nitrogen in this compound

it's actually 40.6%

Explanation:

%C=(11.2 g/27.6 g)×100%=40.6% C

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