Ammonium dihydrogen phosphate, formed from the reaction of phosphoric acid with ammonia, is used as a crop fertilizer as well as a component of some fire extinguishers. Required:
a. What are the mass percentages of N and P in the compound?
b. How much ammonia is incorporated into 100 g of compound?

Abullet found at a crime scene may be used as evidence in a trial if the percentage of metals match to the composition of metals in a bullet from the suspect's ammunition. a forensic scientist's analysis of the bullet shows that it contains 11.9 g of lead, 0.5 g of tin, and 0.8 b of antimony. what is the percentage of lead metal in the bullet? express your answers to the one's place.

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?