MEDIUMMCQ SINGLEJEE Advanced ChemistryInorganic ChemistryMole conceptConcentration terms: molarity, molality, ppm, etc.
250 ml of a sodium carbonate solution contains 2.65 grams of \(\mathrm{Na_2CO_3}\) If 10 ml of this solution is diluted to one litre, what is the concentration of the resultant solution? (mol wt. of \(\mathrm{Na_2CO_3}\) = 106)
A.[object Object]
B.[object Object]✓ Correct
C.[object Object]
D.[object Object]
Explanation
This question uses mole concept & particle counting. Relate mass, moles and number of particles using the mole concept and basic stoichiometry; doing the algebra gives the value listed in option B.
Mole concept & particle counting
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