PLEASEE HELP ASAP PROPERTIES CONCENTRATION DILUTIONS

What is the number of moles in 15.0 g ash3?

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.

How much energy is made when a pice of wood burns. how do you know