Mass of one atom of the element A is \( 3.9854 \times 10^{-23} \). How many atoms are contained ...

Channel:
PW Solutions
Subscribers:
456,000
Published on ● Video Link: https://www.youtube.com/watch?v=2OCiCv3XxKI


Duration: 3:31
10 views
0

Mass of one atom of the element A is \( 3.9854 \times 10^{-23} \). How many atoms are contained in \( 1 \mathrm{~g} \) of the element \( \mathrm{A} \) ?
(1) \( 2.509 \times 10^{22} \)
(2) \( 6.022 \times 10^{23} \)
(3) \( 12.044 \times 10^{23} \)
(4) None
 
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2023-05-15If \( x+2 y+3 z=0 \) and \( x^{3}+4 y^{3}+9 z^{3}=18 x y z ; \) evaluate : \( \frac{(x+2 y)^{2}}...
2023-05-15Boron can undergo the following reactions with the given enthalpy changes : math xmlns=http://ww...
2023-05-15The vapour pressure of pure benzene and toluene are 160 and 60 torr respectively. The mole fract...
2023-05-15In the depression of freezing point experiment, it is found that the (a) vapour pressure of the ...
2023-05-15Which among the following is biggest?br /\(3^{\frac{1}{3}}\),\(2^{\frac{1}{2}}\), \(6^{\frac{1}{...
2023-05-15Identical charges \( (-q) \) are placed at each corners of cube of side \( b \), then electrosta...
2023-05-15Hydrogen bonding is maximum in (1) \( \mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH} \) (2) \( \mathr...
2023-05-15Comprehension The electrochemical cell shown below is a concentration cell. \( \mathbf{M}(\mathr...
2023-05-15Four equal positive charges, each of value \( Q \), are arranged at the four corners of a square...
2023-05-15\( \operatorname{det}\left[\begin{array}{cc}\sum_{k=0}^{n} k & \sum_{k=0}^{n}{ }^{n} C_{k} k...
2023-05-15Mass of one atom of the element A is \( 3.9854 \times 10^{-23} \). How many atoms are contained ...
2023-05-15Consider a binary mixture of volatile liquids. If at \( X_{A}=0.4 \) the vapour pressure of solu...
2023-05-15Which of the following phenomenon does not play a significant role in the maintenance of homeost...
2023-05-15A mixture of \( 2 \times 10^{21} \) molecules of \( \mathrm{P} \) and \( 3 \times 10^{21} \) mol...
2023-05-15A particle moves such that its acceleration is given by \( a=-\beta(x-2) \) Here : \( \beta \) i...
2023-05-15An electron beam can undergo diffraction by crystals. Through what potential (in Volt) should a ...
2023-05-15The number of all possible matrices of order \( 3 \times 3 \) with each entry math xmlns=http://...
2023-05-15The vapour pressure of pure \(A\) is \(10\) torr and at the same temperature when \(1\ g\) of \(...
2023-05-15Write the expression for torque in vector form.
2023-05-15For a radioactive material, half-life is 10 minutes. If initially there are 600 number of nuclei...
2023-05-15Force between two identical charges placed at a distance of \( \mathrm{r} \) in vacuum is F. Now...