Cho 8 gam kim loại đồng tam giác hoàn toàn với lượng dư dung dịch axit sunfuric đặc, nóng.

a) Phương trình hóa học

$Cu\left(r\right)+2H_{2}S{O}_4\left(dac\right)\stackrel{t^o}{\to }CuS{O}_4+H_{2}O+S{O}_2\uparrow$

$1 21 1 1$

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