What is the mass of kcl that can be added to1.0 l of a 0.010 m pb2+ solution to start precipitation of pbcl2? assume that addition of kcl does not affect the solution volume. given: ksp for pbcl2= 1.6 × 10–5. molar mass kcl = 74.55 g/mol a) 3.0 g b) 1.5 g c) 0.8 g d) 1.0 g e) 0.2 g

Iknow #2 is d. i just need to know why

Each pair of clay balls represents to planetesimals if each plane test molluscum pound of the same material and is separated by the same distance which pair experiences the greatest gravitational attraction

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral