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11 November, 06:53

What is the ratio of Fe3 + ions to O2 - ions in a neutral compound?

1:2

2:1

2:3

3:2,

+2
Answers (1)
  1. 11 November, 07:09
    0
    The answer is 2:3. Because the lowest common denominator of 2 and 3 is 6, we find that for every 2 Fe3 + ions, we would need 3 O2 - ions to neutralize the charge. The other answers do not fit this idea, as the math doesn't then add up to come to a neutral charge.
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