50 mL of a 0.100 mol dm^-3 iron (III) nitrate solution is prepared using 15mL of a stock solution. What is the concentration of the stock solution? please help, just need the answer

What does the process of natural selection involve

Using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 pb+2(aq) + 2cl -(aq). if the value of ksp was determined to be only 1.2 x 10-2: too much solid has dissolved. additional precipitate is forming. the solution is unsaturated. the ions are now combining to reduce their concentrations.

What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?