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Topic: Homework problem  (Read 3278 times)

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Offline tigger408

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Homework problem
« on: February 03, 2009, 03:34:19 PM »
What is the % water in BaI2 + 6h2o?
What do u first?
Can you show me the steps to get there answer please
thank you so much
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Offline sjb

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Re: Homework problem
« Reply #1 on: February 03, 2009, 03:38:01 PM »
What is the molecular weight of BaI2.6H2O ?

What is the molecular weight of "6H2O" ?
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Offline tigger408

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Re: Homework problem
« Reply #2 on: February 03, 2009, 04:07:46 PM »
Do I just take the molecular weight of BaI2 6h2o and divide that by 6h2o and multiply by 100.
Can someone confirm that please.
thank you
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Offline Astrokel

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Re: Homework problem
« Reply #3 on: February 03, 2009, 04:53:00 PM »
Quote
Do I just take the molecular weight of BaI2 6h2o and divide that by 6h2o and multiply by 100.
No, the opposite. Mr of 6H2O divides by Mr of BaI2.6H2O multiply by 100.
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