Using chemical equations, show how the triprotic acid h3po4 ionizes in water. phases, such as (l) or (aq), are optional.

What is avogadro’s number, and why is it useful

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?

Balance the following reaction. as2s3 + 9o2 → 2as2o3 + so2