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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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1 1. Khi pha loãng,<br />

2 2. Ta có<br />

C<br />

C<br />

V<br />

1 2<br />

V<br />

2 1<br />

VD5:<br />

(A) 1. (B) 2. (C) 3. (D) 4.<br />

VD6:<br />

[H + ] = 10 –2 M.<br />

[H + ] = 10 –3 M pH = 3<br />

[H +<br />

(A) 2. (B) 12. (C) 1. (D) 11.<br />

[H + ] = 10 –13 M [OH – ] = 10 –1 M.<br />

1000 ml [OH –<br />

[OH – ] = 10 –2 M [H + ] = 10 –12 M.<br />

–12<br />

) = 12<br />

B<br />

(A) 2. (B) 1. (C) 4. (D) 5.<br />

C<br />

3 có pH = 5 thì thu<br />

D<br />

(A) 3. (B) 4. (C) 6. (D) 7.<br />

(A) 100. (B) 1000. (C) 900. (D) 400. 107<br />

6

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