calcium phosphate reacts with aqueous nitric acid to produce phosphoric acid and calcium nitrate Ca3(PO4) 2+6HNO3-2H2PO4+3Xa(NO3)2. (1) a 7.26g sample of calcium phosphate reacted completely when added to an excess of aqueous nitric acid to form 38.0cm3 of solution. Calculate the concentration in moldm^-3 of phosphoric acid in this solution.

Why is an elements atomic mass not listed as a whole number on the periodic table

Identify which properties could correspond to solids, plasmas, or both. maintain a unique shape. collide infrequently with other particles. have very high velocities. conduct electricity. protons. have a low temperature. has long-range order.

Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.