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Chemistry 18 Online
OpenStudy (anonymous):

Why is Co2O3 written as cobalt (III) oxide and not cobalt (II) oxide?

OpenStudy (jfraser):

the roman numeral doesn't relate to the NUMBER of each metal ion that goes into the formula. It relates to the CHARGE of the metal ion

OpenStudy (anonymous):

Totally forgot about that! Thanks you're awesome

OpenStudy (jfraser):

YW

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