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Câu 37: Oxi hóa 12,5 ml cồn etanol 92o bằng CuO (dư, đun nóng), sản phẩm hữu cơ thu được đem thực hiện phản ứng với dd AgNO3/NH3 dư,t0 . Tính khối lượng Ag thu được. Biết các phản ứng xảy ra hoàn toàn, khối lượng riêng của etanol d = 0,8 g/ml. A. 43,2 gam B. 42,3 gam C. 11,16 gam D. 32,4 gam
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