hhamilton4626 hhamilton4626 01-12-2022 Chemistry contestada a solid mixture contains mgcl2 and nacl. when 0.500 g of this mixture is dissolved in enough water to form 1.00 l of solution, the osmotic pressure at 25 °c is found to be 0.390 atm. what is the mass percent of mgcl2 in the mixture?