# Tag Info

## New answers tagged ph

### What is Dornic acidity and how to measure it?

The acidity of milk can be expressed in various ways. There are three main scales: Soxhlet Henkel degree: Number of ml of 0.25 N $\ce{NaOH}$ required to neutralize 100 ml of milk Thörner degree: ...
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### What is Dornic acidity and how to measure it?

Interesting term...never heard of it nor it is common in English chemical analysis literature. It turns out that it is an ancient method from >100 years. The unit is named after a person. The ...
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Accepted

### Do azaindoles primarily exist in anionic form at physiological pH and act as bases?

The formula you have used implies the acid is neutral, like e.g. acetate/acetic acid conjugate pair. But it is not always the case, like for ionic acids like $\ce{NH4+}$ or $\ce{H2PO4−}$. By other ...
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### Why is PCl3 acidic?

According to this source here Phosphorus trichloride (phosphorus chloride, PCl3) is a colorless fuming liquid that reacts violently with water to liberate phosphorous acid (H3PO3) and hydrogen ...
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