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2051890


Hoa tan hoan toan m(g)1 oxit sat bang dd H2SO4(dac;nong) vua du co chua 0,075 mol H2SO4 thu duoc Z(g) muoi va thoat ra 168ml khi SO2 duy nhat o dktc.Xac dinh cong thuc cua oxit sat(cac anh chi lam theo dinh luat bao toan nguyen tu nhe......co le de thoi,nho anh chi giup,em cam on nhieu):khi (106)::khi (106)::khi (106)::khi (106)::khi (106)::khi (106)::khi (106):
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