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BÀI TẬP TRẮC NGHIỆM HÓA ĐẠI CƯƠNG VÀ VÔ CƠ CẨM NANG DÙNG LUYỆN THI THPTQG CHẤT LƯỢNG CAO (COLOR BOOK)

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14 Axit sunfuric<br />

– H 2 SO 4<br />

– H 2 SO 4 2 SO 4<br />

H 2 SO 4 loãng H 2 SO 4<br />

Fe + H 2SO 4 FeSO 4 + H 2<br />

2Al + 3H 2SO 4 Al 2(SO 4) 3 + 3H 2<br />

H 2SO 4<br />

Fe 2O 3 + 3H 2SO 4 Fe 2(SO 4) 3 + 3H 2O<br />

Cu(OH) 2 + H 2SO 4 CuSO 4 + 2H 2O<br />

6<br />

S<br />

gây ra:<br />

2, S, H 2S.<br />

KL + H 2SO 4<br />

2O<br />

2Fe + 6H 2SO 4 Fe 2(SO 4) 3 + 3SO 2 + 6H 2O<br />

Cu + 2H 2SO 4<br />

CuSO 4 + SO 2 + 2H 2O<br />

CuO + H 2SO 4 CuSO 4 + H 2O<br />

2Fe(OH) 3 + 3H 2SO 4 Fe 2(SO 4) 3 + 6H 2O<br />

2SO 4<br />

Na 2CO 3 + H 2SO 4 Na 2SO 4 + CO 2 + H 2O<br />

Na 2S + H 2SO 4 Na 2SO 4 + H 2S<br />

H 2SO 4<br />

C + 2H 2SO 4 CO 2 + 2SO 2 + 2H 2O<br />

2P + 5H 2SO 4 2H 3PO 4 + 5SO 2 + 2H 2O<br />

2HI + H 2SO 4 I 2 + SO 2 + 2H 2O<br />

2SO 4<br />

CuSO 4.5H 2O<br />

C n(H 2O) m<br />

H2SO4<br />

H2SO4<br />

CuSO 4 + 5H 2O<br />

nC + mH 2O<br />

3<br />

H 2SO 4 + nSO 3<br />

H 2SO 4.nSO 3 (oleum).<br />

2SO 4<br />

S + O 2<br />

+O<br />

SO<br />

2<br />

+ H<br />

2 SO 2O<br />

3 H 2 SO 4<br />

xt: V 2O 5<br />

FeS 2 + O 2<br />

6<br />

178

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