How many phases meiosis has

Achemistry student weighs out of phosphoric acid , a triprotic acid, into a volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with solution. calculate the volume of solution the student will need to add to reach the final equivalence point. round your answer to significant digits.

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %

Why are people not able to scuba dive in the deep part of the ocean