A solution contains 0.010 M F− and 0.010 M CO32−. If Mg2+ is slowly added to the solution, which ion will precipitate first? What is the maximum concentration of Mg2+ that can be used to selectively precipitate out one metal ion, leaving the other ion in solution? The Ksp of MgF2 is 5.0x10−9 and the Ksp of MgCO3 is 5.0x10−8.

How do scientists think that gravity affected the formation of our solar system?

Salicylic acid is a very important acid. it is used to synthesize the aspirin by treating with acetic anhydride. a 0.2015-g sample of salicylic acid was dissolved in a 100.00-ml volumetric flask, and the solution was diluted to the mark. a 10-ml aliquot of this solution was titrated with standard naoh (0.01130 + 0.2% n) to a phenolphthalein faint pink color end point at 19.81 ml. (a) (calculate the normality of the salicylic acid solution used in the titration. (b) assuming the salicylic acid is pure, what is the equivalent weight of the salicylic acid? practice problems for the final exam (continued) (c) (calculate the inherent error in the determination of the equivalent weight you calculated in part (b). use the following absolute errors in the equipment /glassware when calculating the inherent error. 5.00-ml pipet: + 0.02 ml 100-ml volumetric flask: + 0.08 ml analytical balance: + 0.2 mg 25-ml buret: + 0.03 ml

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.