Number of atoms in $24 \ g$ of $He$ is ............ $N_A$
- A$1$
- B$2$
- C$4$
- D$6$
Explore More
Similar Questions
$138 \ g$ of ethyl alcohol is mixed with $72 \ g$ of water. The ratio of mole fraction of alcohol to water is
DifficultAP EAMCET 2007
View Solution$2 \ g$ of oxygen contains a number of atoms equal to that in:
Medium
View SolutionCalculate the number of moles in $11.2 \ L$ of oxygen gas at $STP$.
Easy
View SolutionHow many moles of $Mg_{3}(PO_{4})_{2}$ contain $0.25$ moles of $O$ atoms?
Medium
View SolutionIn a mixture of $1 \ g$ of $H_2$ and $8 \ g$ of $O_2$,the mole fraction of hydrogen is
Medium
View SolutionVedclass 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