Question

NaCl has a lattice energy of 788 kj/mol. consider a generic salt, ab, where a2 has the same radius as na and b2- has the same radius as cl-. estimate the lattice energy of the salt ab?

Answer 1

The estimated lattice energy of the salt AB is approximately 788 kJ/mol.

Step-by-step explanation:

To estimate the lattice energy (U) of the salt AB, we can use the ratio of charges and the fact that ions A2+ and B2- have the same radius as Na+ and Cl-, respectively. Since NaCl has a lattice energy of 788 kJ/mol, we can assume that AB, with the same charges and similar sizes, will have a similar lattice energy. Therefore, the estimated lattice energy of the salt AB is also approximately 788 kJ/mol.