605 Flashcard Practice (Molar Mass and Conversions)

Front

What is molar mass?

Back

Molar mass is the mass of one mole of a substance, typically expressed in grams per mole (g/mol). It is calculated by summing the atomic masses of all atoms in a molecule.

Front

How do you calculate the molar mass of a compound?

Back

To calculate the molar mass of a compound, multiply the atomic mass of each element by the number of times that element appears in the compound, then sum all the values.

Front

What is the molar mass of gold (Au)?

Back

The molar mass of gold (Au) is approximately 197 g/mol.

Front

What is the molar mass of chlorine gas (Cl2)?

Back

The molar mass of chlorine gas (Cl2) is approximately 71.0 g/mol.

Front

What is the molar mass of potassium (K)?

Back

The molar mass of potassium (K) is approximately 39.10 g/mol.

Front

What is the molar mass of iron (Fe)?

Back

The molar mass of iron (Fe) is approximately 55.85 g/mol.

Front

What is the significance of the mole in chemistry?

Back

The mole is a fundamental unit in chemistry that represents 6.022 x 10^23 particles (atoms, molecules, ions, etc.). It allows chemists to count quantities of substances in a practical way.

Front

How do you convert grams to moles?

Back

To convert grams to moles, divide the mass of the substance (in grams) by its molar mass (in g/mol). Formula: Moles = Mass (g) / Molar Mass (g/mol).

Front

What is the conversion factor for converting grams of a substance to moles?

Back

The conversion factor is the molar mass of the substance, expressed in grams per mole (g/mol).

Front

What is the molar mass of AuCl3?

Back

The molar mass of AuCl3 is approximately 302 g/mol.