What mass of Calcium Phosphide is required to react completely with 30.9 grams of Nitrous Acid (HNO:)?

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

1.43 x 10^-11 j the guy commented the awnser just making sure u see it .