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Alenkasestr [34]
3 years ago
5

A ____________ is a chemical solution that keeps ph within normal limits by absorbing excess hydrogen, or h+, ions and hydroxide

, or oh-, ions.
Chemistry
2 answers:
garri49 [273]3 years ago
8 0

Answer:

Buffer.

Explanation:

A buffer solution is a solution made out of a weak acid/base and its conjulgated base/acid. This kind of solution is special because it is resistent so pH change because it can react with acids and with bases, thus it keep pH withing a determined range as long as it is not fully consumed by excess adition of acid/base.

TiliK225 [7]3 years ago
5 0
its a buffer solution
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Similarly, Ge also forms a large number of covalent bonds and has a smaller size as compared to that of Sn. Hence melting point decreases from Ge to Sn.

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