CRASHING OUT

CRASHING OUT

CRASHING OUT

In a double-displacement reaction, two sets of ionic chemical pairs switch partners. The reaction of silver nitrate with sodium chloride forms a white solid because, although both starting materials are very soluble in water, silver chloride, one of the products, is mostly insoluble. As silver chloride forms, it crashes out of solution, clouding the liquid. Meanwhile soluble NaNO3, the other product, stays dissolved. Here is the full chemical reacton: 

AgNO3 (aqueous) + NaCl (aqueous) –> AgCl (solid) + NaNO3 (aqueous) 

This photograph is from a series of illustrated chemical demonstrations available at beautifulchemistry.net. 

Credit: Yan Liang/University of Science & Technology of China/BeautifulChemistry.net

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redinkstone168 - Red | Ink | Stone: Thoughts in the Margin
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