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CHEMISTRY: ATOMS FIRST VOL 1 W/CON...

14th Edition
Burdge
ISBN: 9781259327933

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FindFindarrow_forward

CHEMISTRY: ATOMS FIRST VOL 1 W/CON...

14th Edition
Burdge
ISBN: 9781259327933
Interpretation Introduction

Interpretation:

The concentration of all species in a 0.100 M H3PO4 solution has to be calculated

Concept Information:

Acid ionization constant Ka :

The equilibrium expression for the reaction HA(aq)H+(aq)+A-(aq) is given below.

Ka=[H+][A-][HA]

Where Ka is acid ionization constant, [H+]   is concentration of hydrogen ion, [A-]   is concentration of acid anion, [HA] is concentration of the acid

Diprotic and polyprotic acids:

Acids having two or more hydrogen atoms are termed as diprotic or polyprotic acids.  These acids lose one proton at a time by undergoing successive ionizations.

For diprotic acids, the successive ionization constants are designated as Ka1andKa2

For triprotic acids, the successive ionization constants are designated as Ka1,Ka2andKa3

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