What is mass of 1.25 mol of H2?
H=1.01

40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume

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

How many moles of potassium are needed to react completely with 12.8 moles of magnessium bromide?