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Chemistry, 29.06.2019 11:40 xxleeciexx
What is the oxidation number of chromium in cr2o7 4-? a. +3 b. +4 c. +5 d. +6
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What is the oxidation number of chromium in cr2o7 4-? a. +3 b. +4 c. +5 d. +6...
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