Asample of a substance has a mass of 78.9 g and a volume of 84.3 cm3 what is the density?

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.

All of the following are part of the biosphere except

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?