Question

d)${\mathbf{Li}}^{\mathbf{+}}$ has lower mobility than ${\mathbf{Na}}^{\mathbf{+}}$. Explain why lithium phosphate can be used at higher electric field strength than sodium phosphate to generate the same current. What is the advantage of higher field strength for this separation?

Short answer

d) The advantage of higher field strength for this separation is that it can cause the reduction in the migration time and the analysis wouldn't take so long.

Step-by-step solution

Define electric field.

It is a force on the charged particles in the field either attracting or repeling each other.

Explanation.

Considering that lower conductivity = higher electric field requirement in order to generate the same current, high field strength would cause the reduction in the migration time and the analysis wouldn't take so long.