THE structure of polyadenylic acid can be expected to have some influence on the availability of polar groups, such as the primary amino-group of the adenine base, for binding of hydrogen ions.

This lab includes the complete titration procedure used to investigate how well a buffer resists changes in pH. Prepare a buffer solution by accurately calculating and measuring the required amounts ...

Students will be able to explain that if two substances cause turn a pH indicator different colors, they must be different substances. Students will be able to explain that the color that a substance ...

Karl Fischer titration is based on a reaction that consumes the water present in the sample tested. The end-point is determined by the absence of any waterand when the iodine titrant reaches excess in ...

Introduction Did you know that the juices in your stomach are nearly as acidic as lemon juice? Fortunately, your stomach has special cells that act as a barrier to the acid, preventing it from ...

Vinegar is acidic because of its low PH. Consuming it doesn’t affect your body’s natural pH levels, which stay stable unless you have an underlying medical condition. Vinegars are versatile liquids ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

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