Question #af8d7

1 Answer
Jacob T.
May 11, 2017

#16/3#.

Explanation:

The formula for tribromooctaoxide:
#Br_(3)O_(8)#
Oxygen has an oxidation state of #−2# when it is present in most compounds. ([https://en.wikipedia.org/wiki/Oxidation_state](https://en.wikipedia.org/wiki/Oxidation_state))
Since the sum of oxidation state number of neutral compound is #0#, sum of the oxidation number of bromine should equal to the opposite of oxygen's.
#-(-2)*8/3=16/3#

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