Study Hall Multi-Step Mole Problems

What is used to convert atoms to moles in chemical calculations?

• Dimensional analysis

• The universal gas constant

• Avogadro's number

• Molar mass of the element

What does the molar mass of gallium approximately equal to when used as a conversion factor?

• 22.4 liters per mole

• 1 mole per 22.4 liters

• 6.022 x 10^23 grams per mole

• 70.0 grams per mole

What does the Ideal Gas Law equation represent?

• Conversion of grams to moles

• Process to determine the molar mass of gases

• Method to calculate atomic number

• Relationship between pressure, volume, and temperature of gases

At STP, what is the volume of one mole of any ideal gas?

• 1.00 liter

• 22.4 liters

• 100 liters

• 0.0821 liters

How many grams of diatomic nitrogen are there in 900 liters at STP?

• 900 grams

• 28.0 grams

• 1.13 x 10^3 grams

• 22.4 grams