1.5 Vocab Stoichiometry and Related Concepts

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These flashcards cover key concepts related to stoichiometry and the fundamental laws of chemistry.

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7 Terms

1

Stoichiometry

The calculation of quantities in chemical reactions.

2

Law of Conservation of Matter

Matter is not created nor destroyed in any chemical or physical change.

3

Mole (mol)

The SI base unit used to measure the amount of a substance.

4

Molecular mass (M)

The sum of the masses of all the atoms in a molecule.

5

Number of particles (N)

Calculated as moles multiplied by Avogadro's constant.

6

Avogadro's number

6.02 x 10^23, the number of particles in one mole.

7

Atomic mass units (amu)

Unit used to express the relative masses of atoms and subatomic particles.