Maybe Sugar I did that question before I think.
Yes barium carbonate forms a ppt. it is insoluble in water
Answer:
The relationship of the speed of sound, its frequency, and wavelength is the same as for all waves: vw = fλ, where vw is the speed of sound, f is its frequency, and λ is its wavelength. ... The more rigid (or less compressible) the medium, the faster the speed of sound
Explanation:
Solubility because when you have to test for it you need to add another liquid to the pure substance and that may cause a chemical change
