SORC has sent some water samples to your lab. These samples have been collected from the Wafting River as it flows through Hometown. The lab has done some preliminary tests on the samples for various common river pollutants and for dissolved oxygen. The results are shown in Table 1. What problems can you identify in the water sample?

the correct answer would be d. hope this !

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.

the objects have the same charge.