ĐỀ CƯƠNG ÔN THI QUỐC GIA 2018-2019 MÔN HÓA KHÔI 12 - VÔ CƠ (Nguyen Thanh Tu Group phát hành)
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<strong>ĐỀ</strong> <strong>CƯƠNG</strong> <strong>ÔN</strong> <strong>THI</strong> <strong>QUỐC</strong> <strong>GIA</strong> <strong>2018</strong> - <strong>2019</strong> https://daykemquynhon.blogspot.com<br />
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Câu 29: Cho 3,445g Cu, Zn, Al tác dụng với HNO 3 (loóng, dư) thu được 1,<strong>12</strong> lít NO (đktc, sản phẩm khử duy nhất) và<br />
a gam muối. Giá trị của a là :<br />
A. <strong>12</strong>,745 B. 11,745 C. 13,745 D. 10,745<br />
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Câu 30: Hoà tan hết 16,3g hỗn hợp kim loại gồm Fe, Al, Mg trong dung dịch H 2 SO 4 đặc, nóng thu được 0,55mol SO 2 .<br />
Cô cạn dd sau phản ứng, khối lượng chất rắn khan thu được là :<br />
A. 61,9g B. 96,1g C. 69,1g D. 91,6g<br />
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