🧪 SET 1: Mole & Avogadro’s Number AND ⚖️ SET 2: Molar Mass
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12 Terms
What is a mole?
A unit equal to 6.022 Ă— 10^23 particles
What is Avogadro’s number?
6.022 Ă— 10^23 particles per mole
What does “particles” refer to for elements?
Atoms
What does “particles” refer to for molecular compounds?
Molecules
What does “particles” refer to for ionic compounds?
Formula units
Why is the mole important in chemistry?
It connects microscopic particles to measurable quantities
What is molar mass?
The mass of one mole of a substance in g/mol
How do you find molar mass of an element?
Use its atomic mass from the periodic table
How do you find molar mass of a compound?
Add the atomic masses of all atoms in the formula
What units are used for molar mass?
Grams per mole (g/mol)
What does a subscript tell you in molar mass calculations?
How many atoms of each element are present
Why is molar mass important?
It allows conversion between grams and moles
