aspirin coursework

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rosebud
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aspirin coursework

Post by rosebud » Mon Mar 27, 2006 8:59 am

I have to plan an experiment to determine the amount of aspirin left in the body after excretion by measuring the amount in urine.

I have been given a 1.5% solution of aspirin.

Can anyone tell me how you find out how many aspirin tablets this is equivalent to.

Thanks
:)

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mith
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Post by mith » Mon Mar 27, 2006 12:57 pm

Asprin tablets have different doses I'm thinking around 200-400mg. Check your asprin bottles.

You'll probably have to use molality or molarity formulas to find out how much asprin is in your solution. good luck
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rosebud
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Post by rosebud » Tue Mar 28, 2006 7:35 am

thankyou mithrilhack
:)

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rosebud
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Post by rosebud » Tue Apr 04, 2006 7:35 am

I have worked out that a 1.5% solution of aspirin is equivalent to one tablet in 20cm3 of water.

I now need to dilute this solution to get different concentrations of this solution. Can anyone tell me how I would go about doing this.

Thanks
:)

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Post by canalon » Tue Apr 04, 2006 11:31 am

rosebud wrote:I have worked out that a 1.5% solution of aspirin is equivalent to one tablet in 20cm3 of water.

I now need to dilute this solution to get different concentrations of this solution. Can anyone tell me how I would go about doing this.

Thanks
:)


Huh? :shock: Isn't that obvious? You use measured amounts of your solution to prepare diferent dilutions
Patrick

Science has proof without any certainty. Creationists have certainty without
any proof. (Ashley Montague)

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rosebud
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Post by rosebud » Tue Apr 04, 2006 5:31 pm

Thankyou very much
:P

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Post by gimme_wings » Tue Apr 25, 2006 6:58 pm

Hi, how exactly are you going about this experiment? i really don't understand it at all. Not even a little. Thanks.

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Post by johnlafunk » Wed May 03, 2006 12:17 pm

I hv asked teacher, she said we can measure the con.c of aspirin in blood n do something else. And she said we can find out the con.c of aspirin left in the body without knowing the amount of intake of aspirin. But i dont hv a clue how to find out :?

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Post by johnlafunk » Thu May 04, 2006 7:29 pm

wowowo,wait a minute guys, this topic has been posted before, look for the topic in this page man

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