Rigid 4.50 L vessel contains 0.134 mol H2(g) at 28oC. A lab technician adds 0.092 mol F2(g), and a reaction proceeds where HF(g) is formed.

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Answer    "a salt" would be the best answerexplanationsalts can be defined as ionic compounds that are neither acids nor bases. nacl is an example of a salt, and its ionic.an enzyme is an organic compound which is covalently bonded, not ionically bonded.acids are generally held together by covalent bondsan element does not need any bonds to exist

The answer is falsegravitational force is independent of medium and depends only on the masses of the two objects and the distance between them.