A balloon filled with helium has a volume of 9.3 L. What is the mass, in grams, of helium in the balloon? Express your answer to two significant figures and include the appropriate units.

that tool would be a compass

2b2t

explanation:

2b2t

the dissolution of polymer can be thermodynamically described in 2 steps.

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.