Question

how many moles of chloride ions are present in 2.50 litre of 0.2M of magnesium chloride is ​

Answer 1

2.5 * 0.2 * 2 = 1mole

Answer 2

Amount of mg C12=2.5×0.2 mol = o.50 mol

Mg C12>mg 2 + +1cl

0.5mol>2×0.5mol