Chemistry - Mole Concept Question with Solution | TestHub

ChemistryMole ConceptMiscellaneous/MixedEasy2 minPYQ_2020

ChemistryEasysingle choice

An organic compound contains $C = 40 %, H = 13.33 %$ and $N = 46.67 %$ . Its empirical formula is

Answer:

Solution:

Elements	Percent by mass	Atomtextc mass	Relative number of moles of elements	Simplest molar ratio
$C$	$40$	$12$	$\frac{40}{12} = 3.33$	$\frac{3.33}{3.33} =$ 1
$H$	$13.33$	$1$	$\frac{13.33}{1} = 13.33$	$\frac{13.33}{3.33} = 4$
$N$	$46.67$	$14$	$\frac{46.67}{14} = 3.33$	$\frac{3.33}{3.33} = 1$

Hence, empirical ratio is $C H_{4} N$ .

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Mole ConceptSubtopic:Miscellaneous/Mixed

⏱ 2mℹ️ Source: PYQ_2020

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