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Titration

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Determining the concentration of an unknown liquid is a common practice in the chemistry laboratory. In this lesson, you’ll use a technique known as titration to find the unknown concentration of a base by titrating the base with a known acid concentration.

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Planning and Carrying Out Investigations

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Titration Brochure

What is titration?

Titration is a technique used to find the concentration of a substance. Titration involves the addition of one solution of known concentration to another solution until the reaction reaches the point of neutralization (also called the equivalence point).

What is concentration?

Concentration describes the amount of a solute in a given amount of solvent forming a solution.

What is molarity?

Molarity (M) is a term used to measure the concentration of a solution. Molarity is defined as the moles of solute divided by the liters of solution.

What is a neutralization reaction?

A neutralization reaction is a chemical reaction involving an acid and a base that results in the formation of water and a salt.

What is an analyte?

The analyte is the substance of unknown concentration in a titration.

What is a titrant?

The titrant is the substance of known concentration in a titration.

What is an indicator?

An indicator is a weak acid or weak base that changes color depending on the pH of a solution.

What is the equivalence point?

The equivalence point is the point in a titration reaction when the amount of the titrant added completely neutralizes the analyte solution.

What is the end point?

The end point of a titration is the point when the indicator changes color.

Walkthrough

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Grade 3 - 5 Lessons

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