What is percent composition of carbon in c2h6o3

Nitrogen (n), phosphorus (p), and potassium (k) are the main nutrients in plant fertilizers. according to an industry convention, the numbers on the label refer to the mass percents of n, p2o5, and k2o, in that order. calculate the n: p: k ratio of a 30: 10: 10 fertilizer in terms of moles of each element, and express it as x: y: 1.0.

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false

Which description best characterizes the motion of particles in a solid?