Explain why the ions K+ and CrO4−2 are strongly solvated in water but will not dissolve after they reach a molarity of 3.350M.

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?

How many moles are contained in 5.6 l of h2 at stp