A metallocene derivates (molecular weight = 282) has approximately (100/3)% sulphur by mass. Number of S atoms in 2.82kg of metallocene derivative is:
[S=32], `[N_(A) = 6.022 xx 10^(23)]`

One atom of an element X weighs 6 xx 10^(-23) gm . Number of moles of atoms in 3.6 kg of sample of X will be : (N_(A) = 6 xx 10^(23))

One atom of an element X weighs 6 xx 10^(-23) gm . Number of moles of atoms in 3.6 kg of sample of X will be : (N_(A) = 6 xx 10^(23))

One atom of an element weight 3.32xx10^(-23) g. How many number of gram atoms are in 20 kg of the element?

Calculate number of atoms in each of the following (Average atomic mass : N = 14 u,S=32 u) 1.6 g of sulphur

If NaCl is doped with 10^(-4) mol % of SrCl_(2) , the concentration of cation vacancies will be ( N_(A) = 6.022 xx 10^(23) mol^(-1))

The edge length of unit cell of a metal having molecular weight 75 g/mol is 5 Å which crystallises in cubic lattice. If the density is 2g//cm^(3) then, find the radius of metal atom. (N_(A)=6.022 xx 10^(23))

Calculate molecular diameter for a gas if its molar exclued volume is 3.2 pi ml . (in nenometer) (Take N_(A) = 6.0 xx 10^(23))

Calculate molecular diameter for a gas if its molar exclued volume is 3.2 pi ml . (in nenometer) (Take N_(A) = 6.0 xx 10^(23))

Each molecular of a compound contains 5 carbon atoms, 8 hydrogen atoms and 4 xx 10^(-23) gm of other element. The molecular mass of compounds is (N_(A) = 6 xx 10^(23))

Each molecular of a compound contains 5 carbon atoms, 8 hydrogen atoms and 4 xx 10^(-23) gm of other element. The molecular mass of compounds is (N_(A) = 6 xx 10^(23))