Determine the molar solubility (in m to two decimal places) of solid cobalt(ii) hydroxide ksp=5.92x10^-15 when dissolved in:

a) water (at 25 degree c)

b) an aqueous solution containing 0.1 m naoh (at 25 degree c)

What is the formula that this ionic compounds could form sr2+p3-o2-

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests.which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory