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Topic: Finding mass please help  (Read 7111 times)

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Offline fiotengko

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Finding mass please help
« on: September 01, 2013, 01:22:34 AM »
A sample of H2C2O4 * 2H2O of mass 3.35g is heated to drive of the waters of hydration (designated separately in chemical formula). What mass of H2C2O4 remains once the water has been removed by heating?
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Offline Archer

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Re: Finding mass please help
« Reply #1 on: September 01, 2013, 01:41:27 AM »
Forum rules state that you must have at least attempted the question.

 http://www.chemicalforums.com/index.php?topic=65859.0

See above for details.
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Offline Vidya

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Re: Finding mass please help
« Reply #2 on: September 01, 2013, 11:02:32 AM »
let me give you the direction
first convert the mass of the compound to moles
now calculate how many moles of water are there in that much no of moles of the compound
convert moles of water into grams of water .
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