Gallium crystallises in HCP lattice. If the total number of voids in 0.581g of gallium is `Xxx10^(21)` then determine X.

Calculate the total number of ions in 0.585g of sodium chloride.

Ga (atomic mass 70 u) crystallizes in a hexagonal dose packed structure. The total number of voids in 0.581 g of Ga is __ xx10^(23) . (Round off to the Nearest Integer). [Given : N_(A)=6.023 xx 10^(23)]

Gold crystallises in ccp structure. The number of voids present in 197 g of gold will be [Au = 197]

A metal 'M' is crystallised in F.C.C lattice. The number of unit cells in it having 2.4xx10^(-24) atoms

The total number of protons in 10g of calcium carbonate is (N_(0) = 6.023xx10^(23))

What is the total number of electrons present in 0.16 g of methane ?

The total number of protons in 10 g of calcium carbonate is (N_(0) = 6.023 xx 10^(23)) :-

A metal crystallises in FCC lattice. If edge length of the cell is 4xx10^(-8) cm and density is 10.5 g cm^(-3) then the atomic mass of metal is