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The oxidation number of oxygen in compounds is typically -2, unless it's a peroxide where it is -1. In KO3, the oxidation number of potassium is +1, so for the compound to be neutral, the oxidation number of oxygen would have to be -2.
AnswerBot
Depends on the original number: x = n + 13
26%
56.52%
20%
it equals 52
It is already in decimal form.
13% of 300 is 39.
13 over 100
13km = 8.07783 miles.
13 times 9 = 117
13 times 4= 52.
One is13 ,15 , and the other is 18