Chemistry - Mole Concept Question with Solution | TestHub
ChemistryMole ConceptCalculation of moleMedium2 minQB
ChemistryMediumsingle choice
The density of a liquid is . There are 35 drops in 2 mL . The number of molecules in one drop are (molar mass of liquid )
Options:
Answer:
C
Solution:
Concepts: Density, volume per drop, moles, Avogadro's number.
Volume per drop = . Mass per drop = density volume. Moles per drop = mass / molar mass. Molecules per drop = moles .
Stream:JEESubject:ChemistryTopic:Mole ConceptSubtopic:Calculation of mole
⏱ 2mℹ️ Source: QB
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