QUESTION IMAGE
Question
what is the chemical formula for copper(ll) sulfate?
cuso₄
cu₂so₄
cus
cu₂s
Brief Explanations
铜(II)硫酸盐(copper(II) sulfate)中,铜(Cu)的化合价为+2,硫酸根(SO₄²⁻)的化合价为 - 2,根据化合物中各元素化合价代数和为零的原则,Cu和SO₄的个数比为1:1,所以其化学式为CuSO₄。
Cu₂SO₄中Cu为+1价,不符合铜(II);CuS是硫化铜;Cu₂S是硫化亚铜。
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A. CuSO₄