Advertisements
Advertisements
प्रश्न
1 mole of any substance contains ______ molecules.
पर्याय
6.023 × 1023
6.023 × 10-23
3.0115 × 1023
12.046 × 1023
उत्तर
1 mole of any substance contains 6.023 × 1023 molecules.
APPEARS IN
संबंधित प्रश्न
How many atoms are there in 0.25 mole of hydrogen ?
What weight of each element is present in 1.5 moles of sodium sulphite, Na2SO3 ?
(Atomic masses : Na = 23 u ; S = 32 u ; O = 16 u)
Prove the Following :
One mole of any gas contains th e same number of molecules.
Explain the term : Gram atom
A flask contains 3.2g of sulphur dioxide.Calculate the following : The moles of sulphur dioxide present in the flask.
Complete the following calculations. Show working for complete credit :
Calculate the mass of calcium that will contain the same number of atoms as are present in 3.2 gm of Sulphur. [Atomic masses : S = 32, Ca = 40]
Determine the number of molecules in a drop of water which weighs 0.09 g.
The molecular formula for elemental sulphur is S8.In a sample of 5.12 g of sulphur:
How many molecules and atoms are present?
How many grams are there in the following?
5 moles of sulphur molecule, S8
Deduce the number of molecules of the following compound in the given quantity.
90g water
