Which type of alka seltzer dissolves the fastest. 50 will mark due

its the blue line and or you can tell because it is the tiniest line and in this case the problem asks for quickest therefor blue is the fastest (or shortest) dissolving time.

nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.