Question

Can you guys please help me on this!!!

Answer 1

2 moles of ammonium ions required to combine with 1 mole of oxalate ion to form ammonium oxalate.

Step-by-step explanation:

Ammonium cation=
`NH_4^+`

Oxalate anions =
`C_2O_4^(2-)`

By criss-cross method, the oxidation state of the ions gets exchanged and they form the subscripts of the other ions. This results in the formation of a neutral compound as shown in the image attached.

The ionic compound that formed when ammonium ion and oxalate ions combine is ammonium oxalate.

`2NH_4^++C_2O_4^(2-)\rightarrow (NH_4)_2C_2O_4`

2 moles of ammonium ions required to combine with 1 mole of oxalate ion to form ammonium oxalate.