The Mole
A mole measures this.
What is the amount of a substance?
An example of any compound.
What is ...?
The molecular mass of acetic acid (CH3COOH).
What is 60.052 u?
The formula mass of HClO.
What is 52.46 amu?
The formula mass of oxygen gas (O2).
What is 31.9988u?
A mole consists of this many particles.
What is 6.022 x 1023?
The molar mass of xenon.
What is 131.29 g/mol?
The mass of 100 gold atoms.
What is 3.27 x 10-20 g Au?
The number of silicon atoms present 3.2 moles of silicon.
What is 1.93 x 1024 Si atoms?
The mass of a single molecule, measured in u.
What is the formula mass?
The mass of 6.022 x 1023 particles of a substance.
What is molar mass?
The two possible types of structures of which compounds can be made up of.
What are molecules and formula units (crystal lattices)?
The mass in grams of a sample of nitrogen dioxide (NO2) containing one hundred billion (1.00 x 1011) molecules.
What is 7.64 x 10-12 g NO2?
The mass, in grams, of 1.12 mol N2H4.
What is 35.89 g?
What is 244.0642u?
These two measurements always have the same numerical value, only differing in their units of measurement (u and g).
What are atomic (or formula or molecular) mass and molar mass?
An example of a heterogeneous mixture?
What is...?
The mass, in g, of a single molecule of C6H6.
What is 1.30 x 10-22 g?
The mass, in grams, of one copper atom.
The molar mass of sucrose (C12H22O11).
What is 342.30 g/mol?
The mass in grams of a single atom with the atomic mass of 118.71 u.
What is 1.97 x 10-23 g?
The number of moles of H atoms present in 1 mole of methane (CH4).
What is 4?
The number of hydrogen atoms present in 2.00 g of cholesterol (C27H46O).
What is 1.43 x 1023 H atoms?
The mass in grams of one molecule of CCl4.
What is 2.55 x 10-22 g/particle?
What is sodium chloride formula units?