Name the noble gas, which is isoelectronic to a strontium ion.

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?

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

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