How could u experimentally determine whether an unknown solution is:?

Question

a. Pb(NO3)2 or KNO3

b. HCl or H2SO4

Answer 1

a. Add NaCl solution, which will give a white ppte with Pb(NO3)2 and no change with KNO3. (There are other possibilities).

b. Add BaCl2 solution. HCl will give no change (because BaCl2 is soluble), while H2SO4 will give a white ppte of BaSO4. Again there are other possibilities.

I hope that helps. To answer these types of questions, you need to use solubility rules. If you need more assistance, please email me.