PbCl2(s) is a substance
When writing chemical formulae or equations , we use chemical symbols to express the state of matter and the conditions of an element, compound or reactants .
The symbols to represent physical states of matter are are
(s) This tells that the substance is in solid state
(aq ) means aqueous, It tells that the substance has been dissolved and it is in a solution.
(l)This tells that the substance is in liquid state
(g)This tells that the substance is in gaseos state
Now, PbCl2(s) is a substance in the solid state.
See here:https://brainly.com/question/2167551
