3. Determine how much iron reactant iron was present. * 1 pc
Fe
Cu(NO),
Cu
4.00 g
FENO,
6.01 g
0.400 g
6.419
2.419
4.0g
None of the above

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.

yes the answer is total mass in unchanged   : )