PLS HELP ME A solution is labeled .150m NaCl. What are the mole fractions of the solute and the solvent in this solution?

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.

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³