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Cobalt = Co transition metal and has a charge of 3+

Bromide = Br halogen and has a charge of 1-

Co of 3+ and Br of 1-

Cross method

Metal First

Formula: CoBr3

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βˆ™ 14y ago
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βˆ™ 15y ago

Co+2 Br-1 <--- these are the ions and their charges

Co+2 Br-1 Br-1 <--- the charges have to add up to zero, so one+2 cobalt ion cancels out two -1 bromine ions

CoBr2 <--- simplify

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βˆ™ 12y ago

CoBr6 Cobalt is +6 (that's what the Roman numeral VI tells you) and bromine has a charge of -1, so you need 6 of them. I don't know that Co(VI) bromide exists - Co tends to form +2 and +3 complexes, not +6.

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βˆ™ 5mo ago

The formula for cobalt (III) bisulfate is Co(HSO4)3.

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βˆ™ 13y ago

CaBr3 --

---cLaiRe...

CoBr3, calcium is Ca

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βˆ™ 13y ago

Formula: CoBr2

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βˆ™ 15y ago

CoCl3

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βˆ™ 15y ago

CoB2

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βˆ™ 11y ago

Co2(SO4)6

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βˆ™ 13y ago

Co(BrO3)2

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Q: What is the formula for cobalt III bisulfate?
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