Calculate the number of molecules in $18 \ mg$ of water in terms of Avogadro's number $(N_A)$.
- A$N_A \times 10^{-3}$
- B$N_A \times 10^{-2}$
- C$N_A \times 10$
- D$N_A \times 10^{-1}$
Explore More
Similar Questions
Which one of the following will have the largest number of atoms?
$(i)$ $1 \,g$ $Au_{(s)}$
$(ii)$ $1 \,g$ $Na_{(s)}$
$(iii)$ $1 \,g$ $Li_{(s)}$
$(iv)$ $1 \,g$ of $Cl_{2(g)}$
$(i)$ $1 \,g$ $Au_{(s)}$
$(ii)$ $1 \,g$ $Na_{(s)}$
$(iii)$ $1 \,g$ $Li_{(s)}$
$(iv)$ $1 \,g$ of $Cl_{2(g)}$
Difficult
View SolutionThe number of molecules and the number of atoms present in $1 \ g$ of nitrogen are respectively .....
Medium
View SolutionThe mass and volume of $1/4$ mole of oxygen gas at $STP$ are respectively .....
Medium
View SolutionThe number of water molecules present in a drop of water weighing $0.018 \ g$ is
DifficultKCET 2013
View SolutionIdentify the number of moles of $H$ atoms present in $n$ moles of the organic compound represented as: (in $n$)
Vedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo