Chemistry - Concentration Terms Question with Solution | TestHub

ChemistryConcentration TermsConcentration termEasy2 minPYQ_2020
ChemistryEasysingle choice

The molarity ofHNO3in a sample which has density1.4 g/mLand mass percentage of 63% is
(Molecular Weight ofHNO3=63)

Options:

Answer:
B
Solution:

d=1.4g/ml
63% by mass means 63 g of solute taken in 100 g of solution.
w=63g
W=100g
V=Wd=1001.4ml
M=wmol.wt×V×1000
Molarity=63×1.463×100×1000mole/litre
=14mole/L

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Concentration TermsSubtopic:Concentration term
⏱ 2mℹ️ Source: PYQ_2020

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