Chemistry - Mole Concept Question with Solution | TestHub

ChemistryMole ConceptMiscellaneous/MixedEasy2 minPYQ_2020
ChemistryEasysingle choice

Percentage loss in mass, whenNaHCO3(s)is heated in open vessel
2 NaHCO 3 (s) Na 2 CO 3 s + CO 2 g + H 2 O g

Options:

Answer:
B
Solution:

Let the number of moles of NaHCO 3 is x.
Wt.loss= x 2 ×44+ x 2 ×18
%Weightloss= x 2 ×62 x ×84 ×100
=36.9%

Stream:NTA_ABHYASSubject:ChemistryTopic:Mole ConceptSubtopic:Miscellaneous/Mixed
2mℹ️ Source: PYQ_2020

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