Question

What is the name for `KC_2H_3O_2`?

Answer 1

`"Potassium acetate"`.

Explanation:

`H_3C-C(=O)O^(-)""^(+)K` is the potassium salt of acetic acid, `H_3C-C(=O)OH`. It is a common food additive and buffer, and in the EU its `"E number"` is `"E261"`.