What is the approximate pressure of one standard atmosphere
a) 0kpa
b)10.1 kpa
c)101 kpa
d)1010 kpa

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.

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h

If 1.8 l of water is added to 2.5l of a 7.0 molarity koh solution, what is the molarity of the new solution