In the following reactions identify which substances are solid (s) or aqueous (aq). 1. Li, SO4( aq ) + MgCl, ( aq ) - 2LICI ( 2LICI ( ) + Mgso( ) I 2. AgNO3 ( ) + Na, S( ) ► Ag, s ( ) + Nanoz ( ) 3. Nano, ( ) + KCI ( ) = Naci ( ) + KNO,( ) Which reaction above would be difficult to see if anything occurred and why?​