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Chem Pre Lab Assignment -HELP

Last post 10-08-2008, 7:54 PM by HelpHelpHelp. 36 replies.
Burton Snowboards Community » Public » The Lodge » Chem Pre Lab Assignment -HELP
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  •  10-06-2008, 10:45 PM 635457

    • J.P. is not online. Last active: Aug 14, 2009, 9:14 PM J.P.
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    Chem Pre Lab Assignment -HELP

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    if 0.1034g of ferrous ammonium sulphate hexahydrate is dissolved in water and made up to 1L of solution in a volumetric flask,

    a) what mass of ferrous ion is pressent in 1L solution (in grams)

    b) what is the iron concentration of this solution? (mg/L)

    molar mass of ferrous sulphate hexahydrate= 392.13 g/mol

  •  10-06-2008, 10:47 PM 635461 in reply to 635457

    • drjcv is not online. Last active: 11-19-2009, 4:55 PM drjcv
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    Re: Chem Pre Lab Assignment -HELP

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    SEARCH!

  •  10-06-2008, 10:48 PM 635462 in reply to 635457

    • crydersteez is not online. Last active: 10-10-2009, 10:03 PM crydersteez
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    Re: Chem Pre Lab Assignment -HELP

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    You seriously can't do that yourself?

  •  10-06-2008, 10:48 PM 635463 in reply to 635457

    • jvol is not online. Last active: 11-19-2009, 11:59 AM jvol
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    Re: Chem Pre Lab Assignment -HELP

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    haha I was doing this like 2 weeks ago. I have since dropped the class as I am no longer pursuing an engineering degree. But yea I have no idea.

  •  10-06-2008, 10:51 PM 635468 in reply to 635463

    • J.P. is not online. Last active: Aug 14, 2009, 9:14 PM J.P.
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    Re: Chem Pre Lab Assignment -HELP

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    i suck at chem i hate it with my life, i have no idea what to do.

  •  10-06-2008, 10:57 PM 635477 in reply to 635457

    Re: Chem Pre Lab Assignment -HELP

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    beak down into imperical formula

  •  10-06-2008, 11:02 PM 635480 in reply to 635457

    • paulc is not online. Last active: 09-19-2009, 11:24 PM paulc
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    Re: Chem Pre Lab Assignment -HELP

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    use stoich and you'll get the answer. just convert everything.

  •  10-06-2008, 11:02 PM 635482 in reply to 635477

    • Sodder is not online. Last active: 11-18-2009, 6:21 PM Sodder
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    Re: Chem Pre Lab Assignment -HELP

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    do your own school work, cheater.

  •  10-06-2008, 11:03 PM 635483 in reply to 635480

    • Adam32 is not online. Last active: 09-09-2009, 4:25 PM Adam32
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    Re: Chem Pre Lab Assignment -HELP

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    I'm so glad I'm not in chem anymore.

  •  10-06-2008, 11:08 PM 635486 in reply to 635483

    Re: Chem Pre Lab Assignment -HELP

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    Use the molecular weights, and then the two basic formulas, n = m/M c = n/v

    good luck

  •  10-06-2008, 11:17 PM 635493 in reply to 635483

    Re: Chem Pre Lab Assignment -HELP

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    Adam32:
    I'm so glad I'm not in chem anymore.

  •  10-06-2008, 11:19 PM 635496 in reply to 635493

    • J.P. is not online. Last active: Aug 14, 2009, 9:14 PM J.P.
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    Re: Chem Pre Lab Assignment -HELP

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    im still so lost, I divided the 0.1034 by irons molar weight but then what..... Crying

  •  10-06-2008, 11:19 PM 635497 in reply to 635457

    Re: Chem Pre Lab Assignment -HELP

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    do your own effing homework. this is basic.

  •  10-06-2008, 11:20 PM 635500 in reply to 635497

    • J.P. is not online. Last active: Aug 14, 2009, 9:14 PM J.P.
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    Re: Chem Pre Lab Assignment -HELP

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    bull spit, if you're so smart you do it

  •  10-06-2008, 11:23 PM 635501 in reply to 635500

    Re: Chem Pre Lab Assignment -HELP

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    J.P.:
    bull spit, if you're so smart you do it

    right as if i'd really fall for it. seriously, do your own work
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