Chemistry - Concentration Terms Question with Solution | TestHub

ChemistryConcentration TermsConcentration termMedium2 minPYQ_2004

ChemistryMediumassertion reason

$6.02 \times 1 0^{20}$ molecules of urea are present in $100 ml$ of its solution. The concentration of urea solution is

Answer:

Solution:

Concepts: Molarity, Avogadro's number, moles.

Solution: Moles = $6.02 \times 1 0^{20} / (6.022 \times 1 0^{23}) = 0.001$ mol. Molarity = $0.001$ mol / $0.1$ L = $0.01$ M.

Stream:JEESubject:ChemistryTopic:Concentration TermsSubtopic:Concentration term

⏱ 2mℹ️ Source: PYQ_2004

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