You used a stock 0.600M solution of CuSO4 for constructing a calibration curve. assuming the density of solution is 1.12g/mL, calculate the percent concentration of CuSO4 in solution.

For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)→2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2

Which polymers are most closely related? a. protein and nucleic acids b. cellulose and starch c. nucleic acids and starch d. nucleic acids and cellulose

Which is true according to the law of conservation of energy