Lecture on Molar Mass and Avogadro's Number

These flashcards cover the key concepts discussed in the lecture about molar mass, conversion factors, and Avogadro's number.

When converting between grams and moles, which factor is used to find the molar mass?

The molar mass is given in grams per mole.

Avogadro's number tells us how many __ are in one mole of a substance.

atoms or molecules.

For individual atoms, we use __ as the unit of measurement.

AMU (atomic mass units).

When dealing with moles, the unit of measurement changes to __.

grams.

The molar mass of methane (CH4) is __ grams per mole.

16 grams per mole.

When going from moles to grams in calculations, you should use __ as a conversion factor.

molar mass.

The periodic table provides the __ number for elements, which is used to find molar mass.

mass.

If you have 2 moles of water (H2O), how would you convert that to grams? You would multiply by the __.

molar mass of water.

A mole of atoms corresponds to __ atoms in total.

6.02 × 10²³ atoms.

When performing conversions involving moles, grams, and atoms, one can utilize the __ for easier calculation.

mole map.