How many atoms of hydrogen are represented in (nh4)3po4? (3 points) 4 7 12 24

They are all  part of the ammonium ion (NH4) of which there are  3  in the molecule.

So the number of hydrogen atoms = 4 * 3 = 12.

12

Explanation:

b. acid is the correct answer @jayxboof all social media

acid : acids are those which accepts an electron-pairs.

base : bases are those which donates ab electron-pairs.

alkali : it is a base that dissolves in water. it is basically a base and the ph greater than 7.

hydroxide ion : it is a poly-atomic ion which is negatively charged.

i do not get it   at all