20.02.2018 Views

BÀI GIẢNG HÓA PHÂN TÍCH TS. GVC. HOÀNG THỊ HUỆ AN

LINK BOX: https://app.box.com/s/gr8v0um67h2ck6t479djuzdo9csq946f LINK DOCS.GOOGLE: https://drive.google.com/file/d/1nAszAzcfqHoodoNY2G6scHZ_qZ1942_R/view?usp=sharing

LINK BOX:
https://app.box.com/s/gr8v0um67h2ck6t479djuzdo9csq946f
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https://drive.google.com/file/d/1nAszAzcfqHoodoNY2G6scHZ_qZ1942_R/view?usp=sharing

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e) Dung dịch đa acid yếu, đa baz yếu và muối của chúng :<br />

• Dung dịch đa acid yếu :<br />

Cho đa acid yếu H n A (C 0 ; K a1<br />

; K a2<br />

; … K an<br />

)<br />

Nếu K a1<br />

>> K a2<br />

>> … >> K an<br />

thì :<br />

• Dung dịch đa baz yếu :<br />

[ H ] = C0.<br />

Ka<br />

Cho đa baz yếu B(OH) n<br />

(C 0<br />

; K b1<br />

; K b2<br />

; … K bn<br />

)<br />

Nếu K b1<br />

>> K b2<br />

>> … >> K bn<br />

thì :<br />

+<br />

[ OH − ] = C . 0<br />

Kb<br />

1<br />

1

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