Ice crystallizes in a hexagonal lattice. At ascertain low temperature, the lattice cons

Ice crystallizes in a hexagonal lattice. At ascertain low temperature, the lattice constants are a `= 4.53 Å and c = 7.41 Å`. The number of `H_(2)O` molecules contained in a unit cell (`d ~~ 0.92 g cm^(-3)` at the given temperature) is

lattice