Question

Determine one cation and one anion in the given unknown salt m

Answer 1

but where is the salt

Answer 2

Adding unknown solid mixture of 2 salts is separated the insoluble salt out centrifuging with decanting.

Insoluble salt is MgCO3 so adding HCl (bubbles) as well as NaOH into the solution.

Decanted liquid was observed having 1 soluble salt.

Soluble salt testing for SO42 are BaCl2 and observing violet flame test.

Second bottle have unknown with 2 soluble.