A 10% solution of Urea is isotonic with 20% solution of X at same temperature calculate molecular weight of X

If 200.0g of copper(ll) sulfate react with an excess of zinc metal, what is the theoretical yield of copper

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.

Uranium can supply energy for the worlds electricity without admitting harmful greenhouse gases which of these statements best describes an outcome of uranium mining