Lead(II) sulfide (PbS) has a Ksp of 3.0 × 10–28. What is the concentration of lead(II) ions in a saturated solution of PbS?

Which term best describes the form sound takes as it travels away from a drum (a- gas)(b-music) ( c-waves) (d-particles

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?