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Chemistry - Concentration Terms Question with Solution | TestHub

ChemistryConcentration TermsConcentration termEasy2 minPYQ_2020

ChemistryEasysingle choice

The strength of $1 0^{- 2} M N a_{2} C O_{3}$ solution interms of molality will be (density of the solution $= 1.10 g m l^{- 1}$ )
$(M . {wt Na}_{2} {CO}_{3} = 106)$

Options:

Answer:

Solution:

$m = \frac{17 \times 1000}{(1000 \times d - 17 \times M . W)}$
$m = \frac{1 0^{- 2} \times 1000}{1000 \times 1.1 - 1 0^{- 2} \times 106} = \frac{10}{1099.4} = 9 \times 1 0^{- 3}$

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Concentration TermsSubtopic:Concentration term

⏱ 2mℹ️ Source: PYQ_2020

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