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5 votes
2 answers
5k views

Role of hydrochloric acid and sodium hydroxide in isolation of citric acid from lemon juice

I'm trying to extract citric acid from squeezed lemons. After studying the subject, I found a lab manual [1, p. 68]: ISOLATION OF CITRIC ACID Reagents: Lemon juice (ca. $\pu{100 mL}$ – 3 lemons) $\...
ChemStudent's user avatar
3 votes
2 answers
6k views

What is purpose of sulfuric acid in iodine extraction?

I am trying to extract iodine from kelp following this guide here. It calls for sulfuric acid, but I don't see what this does do help the reaction. I thought the reaction was simply oxidizing iodide ...
Markovian8261's user avatar
1 vote
1 answer
4k views

Separation of Binary mixture?

I will be given a binary mixture containing two unknown compounds(the mixture could be either liquid or solid- I don't know yet). The plan of the experiment is to identify the two compounds. So my ...
Pepria's user avatar
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