Lo 3 The student is able to select and apply mathematical relationships to mass data in order to justify a claim regarding the identify and/or estimated purity of a substance. (Sec 5, 7) lo 3

Molar Mass of a Gas

• d = density of gas
• T = temperature in Kelvin
• P = pressure of gas
• R = universal gas constant

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What is the density of F2 at STP (in g/L)?

• What is the density of F2 at STP (in g/L)?
• 1.70 g/L

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• EXERCISE!

AP Learning Objectives, Margin Notes and References

• Learning Objectives
• LO 1.3 The student is able to select and apply mathematical relationships to mass data in order to justify a claim regarding the identify and/or estimated purity of a substance.
• LO 2.6 The student can apply mathematical relationships or estimation to determine macroscopic variables for ideal gases.