QUESTION IMAGE
Question
what name should be used for the ionic compound co₂(so₄)₃?
○ cobalt(iii) sulfide
○ cobalt(iii) sulfate
○ cobalt(iii) trisulfide
○ cobalt(iii) trisulfate
Brief Explanations
该离子化合物中,$SO_{4}$是硫酸根离子,整体呈 -2 价,$Co$(钴)元素在这里显 +3 价,根据离子化合物命名规则,名称为硫酸钴(III)。
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cobalt(III) sulfate