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Topic: HELP  (Read 4657 times)

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Offline x3sheeey

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HELP
« on: October 30, 2006, 07:43:24 PM »
okaaay . so i have this take home quiz thingiee for class . & i don`t really understand it ...
here it is .

jimmy would like to know how much money he wasted on unreacted material for the reaction below. he went to his local Chemistry is Cool! store and bough in bulk 9.013x10^29 compounds of Lanthanum Thiosulfate and 45.32kg Manganese (VII) Phosphate. the Lanthanum Thiosulfate was $34.89 per 900g and the Manganese (VII) Phosphate was $1293.52 per mole. jimmy also wanted to know if he made the necessary 4.34x10^27 compounds of Manganese (VII) Thiosulfate for his top secret experiment.


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can someone help me out with it . pleaaaase ?!

thanks .

<3

Offline mike

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Re: HELP
« Reply #1 on: October 30, 2006, 08:10:32 PM »
HELP - what sort of subject is that? Did you read the forum rules?

Also you can't just post the question and expect an answer, at least show an attempt.

AND don't do multiple posts, one is enough.
There is no science without fancy, and no art without facts.

Offline x3sheeey

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Re: HELP
« Reply #2 on: October 30, 2006, 08:12:30 PM »
oh yah . my bad . i didn`t know this one posted so i posted again .

i`m not expecting an answer . i jsut need to know how to start it .

gossshh.

Offline mike

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Re: HELP
« Reply #3 on: October 30, 2006, 08:14:47 PM »
Well first convert compounds to grams and kg to moles.. :-)
There is no science without fancy, and no art without facts.

Offline x3sheeey

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Re: HELP
« Reply #4 on: October 30, 2006, 08:32:31 PM »
graciaas . =)

Offline mike

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Re: HELP
« Reply #5 on: October 30, 2006, 08:39:41 PM »
Also write a balanced chemical equation for this reaction..
There is no science without fancy, and no art without facts.

Offline Gerard

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Re: HELP
« Reply #6 on: November 23, 2006, 06:28:23 AM »
you can do that easily by dimensional analysis
-artifial student
"Charles! Charles! That's it Mr. Charles Darwin get out of this room, I told you once and I told you twice not to tease your fellow Mr. Arrhenius!"

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