What is the maximum concentration of Mg2+ ion that can exist in a 0.10 M NaF(aq) solution without causing any precipitate of magnesium fluoride to form? The Ksp of MgF2 is 6.6 × 10‑9.

How many neutrons does an element have if its atomic number is 50 and its mass number is 166

Why does ammonia, nh3, behave as a base when it reacts with an acid? z

4786 joules of heat are transferred to a 89.0 gramsample of an unknown material, with an initialtemperature of 23.0°c. what is the specific heat of thematerialif the final temperature is 89.5 °c?