Chem 202 - 00.00 Fundamentals L, Reaction Stoichiometry

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Created by:

RheaWong  on December 12, 2011

Subjects:

chem 202, chemistry

Description:

8/22/11

Review

Molecules in motion: from greenhouse gases to photosynthesis.

L1. Mole-to-Mole Predictions

L2. Mass-to-Mass Predictions

L3. Volumetric Analysis

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Chem 202 - 00.00 Fundamentals L, Reaction Stoichiometry

Reaction Stoichiometry
The quantitative aspect of chemical reactions; the ratio of substances that are involved within a given chemical reaction.
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Terms

Definitions

Reaction Stoichiometry The quantitative aspect of chemical reactions; the ratio of substances that are involved within a given chemical reaction.
L.1 Mole-to-Mole Predictions Summary The balanced chemical equation for a reaction is used to set up the mole ratio, a factor that is used to convert the amount of one substance into the amount of another.
L.2 Mass-to-Mass Predictions In a mass-to-mass calculation, convert the given mass into amount in moles, apply the mole-to-mole conversion factor to obtain the amount required, and finally convert amount in moles into mass of the unknown substance.
Titration
Analyte
Titrant
Volumetric Analysis
Often between an acid and a base or a reducing agent and an oxidizing agent.
A solution being analyzed.
A solution of known concentration.
The determination of concentration or amount by measuring volume is called volumetric analysis.
Stoichiometric Point The stage at which the volume of titrant added is exactly that required by the stoichiometric relation between titrant and analyte.
L.3 Volumetric Analysis Summary The stoichiometric relation between analyte and titrant species, together with the molarity of the titrant, is used in titrations to determine the molarity of the analyte.

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