Problem: Which, if any, of the following aqueous mixtures would be a common ion system?A common ion solution will have two components which differ by only one ion. For example: NaCl and HCIA. None of these will be a common ion solution.B. H2PO4–, HCO3– C. CH3COOH, NaH2PO4D. H2CO3, HCO3– E. HSO4–, HSO3–

FREE Expert Solution

We’re being asked to determine which among the aqueous mixtures would be a common ion system.


The common ion system means that there is a presence of a common ion.


For H2PO4, HCO3

• both are ions and they are different → not a common ion system

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Problem Details

Which, if any, of the following aqueous mixtures would be a common ion system?

A common ion solution will have two components which differ by only one ion. For example: NaCl and HCI

A. None of these will be a common ion solution.

B. H2PO4, HCO3 

C. CH3COOH, NaH2PO4

D. H2CO3, HCO3 

E. HSO4, HSO3

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