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GIẢI CHI TIẾT ĐỀ THI HSG HÓA 9 CÁC TỈNH NĂM 2017 (SỬ DỤNG TỐI ĐA CÁC PHƯƠNG PHÁP GIẢI HÓA HIỆN ĐẠI)

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[<strong>ĐỀ</strong> <strong>THI</strong> <strong>HSG</strong> AN GIANG <strong>2017</strong>]<br />

Pt: 2Al + 3CuSO 4 → Al 2 (SO 4 ) 3 + 3Cu<br />

(y – 0,01) → 1,5(y – 0,01)<br />

Fe + CuSO 4 → FeSO 4 + Cu<br />

z→<br />

z<br />

27y 56z 1,93 y 0,03 <br />

Fe<br />

Ta có<br />

2O 3 : 0,01<br />

E<br />

<br />

1,5(y 0,01) z 0,05 z 0,02 <br />

CuO : 0,01<br />

16,8(g)<br />

Page 4

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