20.0 grams of a polymer X is dissolved in enough water to bring the volume to 1.00 liter at 25.0°C. If the osmotic pressure is found to be 0.100 atm, what is the molar mass of the polymer? Assume R = 0.08206 L atm/ K

Consider the reaction of a(g) + b(g) + c(g) => d(g) for which the following data were obtained: experiment initial [a], mol/l initial [b], mol/l initial [c], mol/l initial rate, mol/l. s 1 0.0500 0.0500 0.0100 6.25 x 10^-3 2 0.100 0.0500 0.0100 2.50 x 10^-2 3 0.100 0.100 0.0100 1.00 x 10^-1 4 0.0500 0.0500 0.0200 6.25 x 10^-3 what is the rate law for the reaction?