I have a solution of water, MgCl2 and citric acid but need to find a way to remove the citric acid?

or:I have a solution of water, MgCl2 and citric acid but need to find a way to remove the citric acid?

or:I have a solution of water, MgCl2 and citric acid but need to find a way to remove the citric acid?

Tags:acid,