If 0. 860 mole of MnO2 and 48.2 g of HCL react to completion as per the following stoichiometric reaction equation ,determine the stoichiometric amount of HCL for the available MnO2

Which metal exist in liquid state and can be cut with knife ?

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

What is the density, d, of a substance with a volume of v = 12.5 cm3 and a mass of m = 74.4 g ?