Advertisements
Advertisements
प्रश्न
Calculate the number of atoms in the following:
52 moles of He
Advertisements
उत्तर
52 moles of He atoms = 52 x 6.02 x1023
= 313.04 x 1023
= 3.13 x 1025
APPEARS IN
संबंधित प्रश्न
Convert into mole.
20 g of water
Prove the Following :
One mole of any gas contains th e same number of molecules.
What is the value of Avogadro's number?
Explain the term:
Mole
Fill in the blank
Avogadro's number is equal to ______
Given that the relative molecular mass of copper oxide is 80, what volume of ammonia (measured at STP) is required to completely reduce 120g of copper oxide? The equation for the reaction is :
3CuO + 2NH3 → 3Cu + 3H2O + N2
Calculate the number of moles and number of molecules present in 1.4 g of ethylene gas. What is the volume occupied by the same amount of ethylene?
What is the value of molar volume of a gas at S.T.P?
The molecular formula for elemental sulphur is S8.In a sample of 5.12 g of sulphur:
How many molecules and atoms are present?
Calculate the number of moles in 1.51 × 1023 molecules of NH4Cl.
