A rigid steel cylinder with a volume of 25.0 L is filled with nitrogen gas to a final pressure of 100.0 atm at 15oC. How many moles of nitrogen gas does the cylinder contain?

Idon't know hope someone you

Remember that rust prevented by placing a sacrificial electrode in electrical contact with the iron. the sacrificial electrode must be composed of a metal that  oxidizes  more easily than iron (that is, it must be below iron in table 18.1).

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Your answer is c for shure