Some Basic Concepts of Chemistry - Result Question 88
####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:
- Molality of a solution is defined as number of moles of solute present in $1.0 kg(1000 g)$ of solvent.
