3.Mass Relationships in Chemical Reactions

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  • Created by: kpaul1234
  • Created on: 15-04-21 21:59
Define a Formula Unit
A formula unit is one unit of particle (atom, ion, molecule) corresponds to a given formula.
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Define a Unified Atomic Mass (u).
The UAM of an element is the average mass of the element's atoms.
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Define Molecular Weight.
Molecular weight is the sum of all atoms in a molecule.
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Define Formula Weight
Formula weight is the sum of atomic weights of all atoms in a formula unit of any compound, molecule or ion.
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State Avogadro's constant.
6.022x10^23
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Define a limiting reactant.
A limiting reactant is a reactant that is present in limiting amount.
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Define Empirical Formula
An empirical formula is a formula that gives the smallest whole number ratios of atoms in the compounds.
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Define Molecular Formula
Molecular formula is the formula that tells the actual numbers of atoms in a molecule.
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Other cards in this set

Card 2

Front

Define a Unified Atomic Mass (u).

Back

The UAM of an element is the average mass of the element's atoms.

Card 3

Front

Define Molecular Weight.

Back

Preview of the front of card 3

Card 4

Front

Define Formula Weight

Back

Preview of the front of card 4

Card 5

Front

State Avogadro's constant.

Back

Preview of the front of card 5
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