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Applications of chemistry to reagents, reactions and processes of everyday life. Use this tag for question on chemistry in an out-of-laboratory/class context. DO NOT use this tag merely because the question is about simple chemistry.

10 votes
2 answers
2k views

Why is tin(II) fluoride more effective in turning apatite into fluorapatite?

In more powerful toothpastes, like Crest Pro-Health, stannous fluoride is used in place of sodium fluoride. According to Wikipedia: Stannous fluoride converts the calcium mineral apatite into flu …
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  • 3,005
10 votes
Accepted

What's the chemical nature of a dishwasher's rinsing agent?

According to the MSDS for Jet Dry (a common brand name) it contains: Sodium 2-phenylpropane-2-sulfonate (Sodium cumene sulfonate) Propane-1,2-diol Citric acid I think it may be safe to assume th …
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  • 3,005
5 votes
2 answers
13k views

Why does activated carbon preferentially adsorb anions?

Brands like Brita and Pur (in the U.S.) have made a name for themselves for the ability of their product (essentially a large-pore filter with activated carbon/charcoal) to extract the added chlorine …
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  • 3,005
8 votes
1 answer
1k views

Does borax do anything more for "boosting" detergent than adding active oxygen would?

Borax, $\ce{Na2B4O7}$, is often marketed as a "laundry booster" under the brand "20 Mule Team Borax". The unit crystal of borax can be seen below. Other laundry products in the past have added sod …
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