Equilibrium help needed

[From: ] [author: ] [Date: 11-05-03] [Hit: ]

C.D.I do not earn any points for this question, but I do need to understand how to find the answer. Detailed explanation/answer would be ideal. Thank you.......

What is the srongest base present In the equilibrium shown below?
H2CO3 + H2O <--> HCO3- + H3O+

A. H2O
B. H2CO3
C. HCO3 -
D. H3O+

I do not earn any points for this question, but I do need to understand how to find the answer. Detailed explanation/answer would be ideal. Thank you.

<<<-->>>-->>>--<<<<.....____

-

H3O+ --> CON ACID
H2O -> BASE
H2CO3 --> WEAK ACID
HCO3- STRONG CONJ BASE
when a weak acid gives H ( PROTON ) the product is a strong base
so the answer is C

1

keywords: Equilibrium,help,needed,Equilibrium help needed

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