Some Basic Concepts of Chemistry - Result Question 26

####26. Statement I In the titration of $Na _2 CO _3$ with $HCl$ using methyl orange indicator, the volume required at the equivalence point is twice that of the acid required using phenolphthalein indicator.

Statement II Two moles of $HCl$ are required for the complete neutralisation of one mole of $Na _2 CO _3$.

(1991, 2M)

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Solution:

  1. Molality of a solution is defined as number of moles of solute present in $1.0 kg(1000 g)$ of solvent.


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