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Mole-Mass and Mole-Volume Relationships in Chemistry

Learn how chemists use the relationships between moles, mass, volume, and number of particles to solve chemistry problems. Understand the mole-mass relationship and the mole-volume relationship at STP (standard temperature and pressure).

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Mole-Mass and Mole-Volume Relationships in Chemistry

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  1. chemistry

  2. 10.2 Mole–Mass and Mole–Volume Relationships • How can you guess the number of jelly beans in a jar? You estimate the size of a jelly bean and then estimate the dimensions of the container to obtain its volume. In a similar way, chemists use the relationships between the mole and quantities such as mass, volume, and number of particles to solve chemistry problems.

  3. 10.2 The Mole–Mass Relationship • The Mole–Mass Relationship • How do you convert the mass of a substance to the number of moles of the substance?

  4. 10.2 The Mole–Mass Relationship • Use the molar mass of an element or compound to convert between the mass of a substance and the moles of a substance.

  5. 10.5

  6. 10.5

  7. 10.5

  8. 10.5

  9. for Sample Problem 10.5 Problem Solving 10.16 Solve Problem 16 with the help of an interactive guided tutorial.

  10. 10.6

  11. 10.6

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  14. for Sample Problem 10.6 Problem Solving 10.18 Solve Problem 18 with the help of an interactive guided tutorial.

  15. 10.2 The Mole–Volume Relationship • The Mole–Volume Relationship • What is the volume of a gas at STP? (standard temperature and pressure)

  16. 10.2 The Mole–Volume Relationship • Avogadro’s hypothesis states that equal volumes of gases at the same temperature and pressure contain equal numbers of particles.

  17. 10.2 The Mole–Volume Relationship • The volume of a gas varies with temperature and pressure. Because of these variations, the volume of a gas is usually measured at a standard temperature and pressure. • Standard temperature and pressure (STP) means a temperature of 0°C and a pressure of 101.3 kPa, or 1 atmosphere (atm).

  18. 10.2 The Mole–Volume Relationship • At STP, 1 mol or, 6.02  1023 representative particles, of any gas occupies a volume of 22.4 L. • The quantity 22.4 L is called the molar volume of a gas.

  19. 10.2 The Mole–Volume Relationship • Calculating Volume at STP

  20. 10.7

  21. 10.7

  22. 10.7

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  24. for Sample Problem 10.7 Problem Solving 10.20 Solve Problem 20 with the help of an interactive guided tutorial.

  25. 10.2 The Mole–Volume Relationship • Calculating Molar Mass from Density

  26. 10.8

  27. 10.8

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  30. for Sample Problem 10.8 Problem Solving 10.22 Solve Problem 22 with the help of an interactive guided tutorial.

  31. 10.2 The Mole Road Map

  32. 10.2 The Mole Road Map

  33. 10.2 The Mole Road Map

  34. 10.2 The Mole Road Map • The Mole Road Map

  35. END OF SHOW

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