This is a question from a past paper, Unifying Concepts Jan 2009 qu 3e.

A student mixed 25cm^3 0.0265mol h2so3 with 25cm^3 0.265mol KOH.

Stuident removes the water from the product and get C.


A student mixed 25cm^3 0.0265mol h2so3 with 50cm^3 0.265mol KOH.

Student removes water and gets D.

What are C and D.

ok - what I dont get is why are the two products differrent??

Thanks