Mole conversions/counting atoms flashcardizz

Front

What is the mole in chemistry?

Back

The mole is the base unit measuring the amount of a substance, defined as 6.02 x 10^23 particles (atoms, molecules, etc.).

Front

How is molar mass defined?

Back

Molar mass is the mass of one mole of a substance, typically expressed in grams per mole (g/mol).

Front

What does a subscript in a chemical formula indicate?

Back

A subscript indicates the number of atoms of the element in a molecule. If there is no subscript, it means there is only 1 atom.

Front

What is Avogadro's number?

Back

Avogadro's number is 6.02 x 10^23, which is the number of atoms or molecules in one mole of a substance.

Front

How many atoms are in one mole of any element?

Back

One mole of any element contains 6.02 x 10^23 atoms.

Front

What is the relationship between moles and grams?

Back

To convert moles to grams, multiply the number of moles by the molar mass of the substance.

Front

If you have 2 moles of a substance, how many particles do you have?

Back

You have 2 x 6.02 x 10^23 particles, which equals 1.204 x 10^24 particles.

Front

What is the formula to calculate the number of moles?

Back

Number of moles = mass (g) / molar mass (g/mol).

Front

What is the significance of the periodic table in mole conversions?

Back

The periodic table provides the molar mass of elements, which is essential for converting between grams and moles.

Front

How do you find the molar mass of a compound?

Back

Add together the molar masses of all the elements in the compound, multiplied by their respective subscripts.