An atom with 5 protons, 6 neutrons, and 5 electrons has an atomic mass of amu.

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.

Which statement can best be concluded from the ideal gas law?

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.