What could you do to change the volume of a gas?

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 are isotopes of the same chemical element alike? how are they different?

How many grams of mgbr2 are needed to produce 75g or metal?