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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-
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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-

User Louis
by
5.0k points

1 Answer

2 votes

Answer:

Step-by-step explanation:

by checkng the chemical formula and oxidationn number

User Ramesh Kumar
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