What is the freezing point of a solution of 0.500 mol of sucros in 500.0 ml of water?

10-14. (a) when 100.0 ml of weak acid ha were titrated with 0.093 81 m naoh, 27.63 ml were required to reach the equivalence point. find the molarity of ha. (b) what is the formal concentration of a- at the equivalence point? (c) the ph at the equivalence point was 10.99. find pk. for ha. (d) what was the ph when only 19.47 ml of naoh had been added?

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.