1. 11.8
Tro's Introductory Chemistry, Chapter 11

2. Ideal Gas Law
By combining the gas laws, we can write a general equation.
R is called the Gas Constant.
The value of R depends on the units of P and V.
We will use and convert P to kPa and V to L.
Use the ideal gas law when you have a gas at one condition, use the combined gas law when you have a gas whose condition is changing.
Tro's Introductory Chemistry, Chapter 11

3. Tro's Introductory Chemistry, Chapter 11
Calculate the Volume Occupied by 637 g of SO2 at 6.08 x 103 mmHg and –23 °C.
Tro's Introductory Chemistry, Chapter 11 3

4. Tro's Introductory Chemistry, Chapter 11
Calculate the Density of a Gas at 775 torr and 27 °C if moles Weighs g.
Tro's Introductory Chemistry, Chapter 11 4

5. Molar Mass of a Gas
One of the methods chemists use to determine the molar mass of an unknown substance is to heat a weighed sample until it becomes a gas, measure the temperature, pressure, and volume, and use the ideal gas law.
Tro's Introductory Chemistry, Chapter 11

6. Tro's Introductory Chemistry, Chapter 11
What Is the Molar Mass of a Gas if 12.0 g Occupies 197 L at 380 torr and 127 °C?
Tro's Introductory Chemistry, Chapter 11 6