What is the molarity of a solution made from dissolving 3.0 moles of Saline (NaCl) in 0.25 L of solution?

What kind of ion is contained in salts that produce an acidic solution? a positive ion that attracts a proton from water a positive ion that releases a proton to water a negative ion that attracts a proton from water a negative ion that releases a proton to water

Explain why scientists use shared characteristics to make cladograms.

The wave shown on the electromagnetic spectrum disturb the medium it passes through a)different frequency. b)the same frequency .