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    How Do You Calculate the Molar Mass of an Unknown Gas?

    given the only data in the problem, do i have to assume STP in both? Thanks!
  2. C

    How Do You Calculate the Molar Mass of an Unknown Gas?

    1. A sample bulb contained 0.712 g H2 (g) at a certain temperature and pressure. Under the same conditions of temperature and pressure, the bulb can hold 13.0 g of an unknown gas. What is the molar mass of the unknown gas? Obtaining H2 volume from the ideal gas law (assuming STP) and then...
  3. C

    How Do You Calculate the Molar Mass of an Unknown Gas?

    HELP PLEASE! Molar mass of unknown gas Hey, I would really appreciate a little help. I'm kind of confused :( with this question: A sample bulb contained 0.712 g of H2 (g) at a certain temperature and pressure. Under the same conditions of temperature an pressure, the bulb can hold 13 g of an...
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