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mr_godi [17]
3 years ago
9

Teams of scientists work together to explore space. Which achievement did not involve chemists?

Chemistry
1 answer:
Tamiku [17]3 years ago
5 0
B. caulculating the distance between objects in the solar system
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Answer is: Prepare to measure pH change.

For example for strong acid-base titration, sodium hydoxide and hydrochloric can be used.

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In this reaction pH of equivalence point will be always 7.

Equivalence point is the point which there is stoichiometrically equivalent amounts of acid and base.  

Chemist can draw pH curve (graph showing the change in pH of a solution, which is being titrated) for titration and determine equivalence point.  

Near equivalence point indicator should change color, so we must pick indicator who change color near pH of equivalence point.

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