Sodium carbonate?

Question

Sodium carbonate is a reagent that may used to sandardize acids in the same way that you have used KHP in this emperiment. In such a standardization it was found that a .0498-g sample of sodium carbonate requried 23.5mL of a sulfuric acid solution to reach the end point for the reaction. What is the molarity of the H2SO4?

Answer 1

You first need the equation:
Na2CO3 + H2SO4 ----> Na2SO4 + CO2 + H2O

Now work out the moles of Na2CO3, which is the same as the moles of H2SO4, and then calculate its molarity in the usual way.