There are 3 main parts of the respiratory system: the airways, lungs, and breathing muscles.

An aqueous solution of calcium hydroxide is standardized by titration with a 0.120 m solution of hydrobromic acid. if 16.5 ml of base are required to neutralize 27.5 ml of the acid, what is the molarity of the calcium hydroxide solution?

Answer asap need by wednesday morning calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 best answer will be brainliest

Calculate the ph of a .10m nh4cl solution. the kb value for nh3 is 1.8×10^-5