Simplistic Mole Conversions Flashcard (Chem Q2W7 Quiz 24-25)

Front

What is a mole in chemistry?

Back

A mole is a unit of measurement used to express amounts of a chemical substance, defined as exactly 6.022 x 10^23 particles (atoms, molecules, ions, etc.).

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).

Front

What is the molar mass of chlorine (Cl)?

Back

The molar mass of chlorine (Cl) is approximately 35.5 g/mol.

Front

What is the formula to calculate moles from grams?

Back

Moles = Mass (g) / Molar Mass (g/mol).

Front

How many moles are in 472 grams of chlorine (Cl)?

Back

13.3 moles.

Front

What is Avogadro's number?

Back

Avogadro's number is 6.022 x 10^23, which is the number of particles in one mole of a substance.

Front

What is the molar mass of carbon (C)?

Back

The molar mass of carbon (C) is 12 g/mol.

Front

What is the molar mass of hydrogen (H)?

Back

The molar mass of hydrogen (H) is 1 g/mol.

Front

How do you convert moles to grams?

Back

To convert moles to grams, multiply the number of moles by the molar mass (in g/mol).

Front

How many grams are in 89.4 moles of sulfur (S)?

Back

2860 grams.