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:

the correct answer is b. a strong acid completely dissociates to its ions when dissolved in water. completely dissociates to and ions. a is incorrect because does not fully ionize to and ions and some remain as the compound . c and d are incorrect because, and do not fall into the category of bronsted lowry acids. a bronsted lowry acid is a proton donor and since both molecules do not have a proton to donate they are not bronsted lowry acids. likewise,   if we use the lewis acid definition, they cannot be acids. a lewis acid is an electron pair acceptor. both and have a complete octet so can not accept any electrons which disqualifies them as acids.