Question

If your heating generates soot on the bottom of the crucible, what is the origin of the soot? How will this soot collection affect x?

Answer 1

the origin is the flame itself.

I have no idea what x is.

Answer 2

If your heating generates soot on the bottom of the crucible, what is the origin of the soot? How will this soot collection affect x?

x is the mols of H20