emmanpopescu emmanpopescu

17-09-2022
Chemistry

contestada

how did you know that the valency of chromium was going to be three in this situation of
hydrochloric acid + chromium hydrogen carbonate =

explain other cases as well-

Respuesta :

sarbajitpanda sarbajitpanda

17-09-2022

Answer:

Explanation:

by checkng the chemical formula and oxidationn number

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