A solution M with a relative molecular mass 110 has an absorption band with maximum wavelength at 215ron and molar absorptivity of 10000. The solution showed an absorbance A=2.0 in a ler cell.
Calculate the concentration of this solution in g/dm

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

Which diagram represents the phase tha occurs after a solid melts?

You are attempting to recrystallize a crude product mixture. you add the appropriate amount of hot solvent and are allowing the solution to slowly cool to room temperature. however, at room temperature no crystals have appeared, which of the following methods should be used to induce crystallization? choose all correct answers. a) place the flask in an ice bath. b) swirl the contents of the flask. c) add a small seed crystal of the desired product. d) scratch the inside of the glassware using a stir rod. it can be multiple choices