If the molarity of a solution of ammonium carbonate, (NH4)2CO3 is 0.50M, the molarity of ammonium ion, NH4+, is A) 0.50
B) 1.0
C) 0.25
D) 2.0

aluminum

i guess but i think im right

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.

0.88m hope i am correct : )