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science(chem)

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If these compounds are shaken in a test tube for 10-20 sec will they form a miscible (1 layer) or immisible (form 2 layers)?

a) water and ethyl alcohol
miscible
b)water and dimethyl ether
miscible
c)water and methylene chloride
immisible
d)water and hexane
immisible
e)Hexane and methylene chloride
miscible

Am I correct? I'm trying to predict what will happen before I do this in lab.

Thanks =)

  • science(chem) - ,

    All of these look ok. My Merck Index lists ether as slightly soluble in water and water slightly soluble in ether. Sol ether in water is 8.3%(w/w). From that I would think miscible. It has been so long since I did this in the lab I've forgotten.

  • science(chem) - ,

    My lab book recommended that the Merck Index be used to look stuff up about the individual chemicals but it's quite costly, however it is simpler to look in 1 book rather than surfing the internet for awhile and having to site all the sources of the chemical information.

  • science(chem) - ,

    Most libraries have it.I bought mine from Amazon.com and bought a used copy for about half price. It's about 10 years old now and was about 2-3 years old when I bought it. So-called out of date copies are always a good bargain.

  • science(chem) - ,

    Hm..I'll look for one then.

    Thanks Dr.Bob =)

  • science(chem) - ,

    I forgot to say Thank You Dr.Bob =D

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