A student is given 4 bottles, each containing a different compound. The table below gives information about the properties of each compound considering the factors that influence the intermolecular forces between molecules" choose one of the following to answer each of the next 4 questions. ​

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.

What are the spectator ions in 2h+ + so42- + ca2+ + 2r → caso4 + 2h+ + 21?

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?