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Triss [41]
2 years ago
5

0.965g of iodine was shaken with a mixture of 50cm3 trichloromethane and 50cm3 of water in the separating funnel until equilibri

um was attained at 25 degrees Celsius. After the layers had settled, 25cm3 of aqeous layers required 4.4cn3 of 0.01M sodium thiosulphate solution using starch indicator. Determine the distribution coefficient of iodine between trichloromethane and water​
Chemistry
1 answer:
SIZIF [17.4K]2 years ago
6 0

Answer:

i don't know about your question

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During a solvent extraction, a student lost track of which layer was the aqueous layer and which layer was the organic layer. Wh
KatRina [158]

Answer:

a. add a little distilled water to see which layer the water adds to

Explanation:

The problem tells us to keep in mind two major aspects of the test: It has to be <em>simple</em>, as well as <em>non-destructive</em>:

  • Adding distilled water can be made in under a minute, without requiring specialized laboratory equipment, unlike IR.
  • It is also non-destructive, because the contents on either layer won't change due to the added distilled water.
4 0
3 years ago
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How is the process of converting kiwi into plasticware evidence of a chemical reaction?.
galben [10]

Chemical reaction to biomass, like kiwi, into synthetic materials, like plastic, impact society because kiwi is biodegradable but plastic is not.

The series of chemical reactions used to change natural resources into synthetic products is termed chemical synthesis. Synthetic materials are formed when humans mix substances together for the purpose of creating new materials with desirable properties. Synthetic materials are produced by chemically changing the initial substances to create some material with different characteristics. Some of the best examples of synthetic materials are plastics and medicines. A synthetic substance may or may not be chemically identical to a naturally-occurring substance.

To know more about synthetic materials check the link below:

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4 0
1 year ago
Yasir wants to determine if there is a relationship between room color and sleep. Based on his research, Yasir makes an educated
Helen [10]

Answer: B. An experiment that directly tests the hypothesis

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Yasir didn’t really test his experiment he only ask people for the opinion on which color they like so he forget to actually do the experiment therefore the answer is b.

8 0
3 years ago
What number of moles of Pb (NO3)2 is consumed when 54 g of KNO3 is produced
Ivenika [448]

Explanation:

hope it helps you understand moles

5 0
3 years ago
How many grams are in 116 mg? Express your answer numerically in grams
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Answer:

0.116 grams

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