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Chemistry - Concentration Terms Question with Solution | TestHub

ChemistryConcentration TermsConcentration termEasy2 minPYQ_2020

ChemistryEasysingle choice

A sample of $N a N O_{3}$ weighing $0.38 g$ is placed in a $50.0 m L$ volumetric flask. The flask is then filled with water to the mark on the neck. What is the molarity of the solution?

Options:

Answer:

Solution:

Molarity $\times$ Volume in $m L = M i l l i m o l e = \frac{w}{M} \times 1000$

$∴ M o l a r i t y \times 50 = \frac{0.38}{85} \times 1000$

$[M o l . w t . o f N a N O_{3} = 85]$

$∴ M o l a r i t y = 8.94 \times 10^{- 2}$

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Concentration TermsSubtopic:Concentration term

⏱ 2mℹ️ Source: PYQ_2020

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