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  3. 1) you are given a solid hydrate. you dry and weig

1) You are given a solid hydrate. You dry and weigh a sample tube. You put...

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Chemistry

1) You are given a solid hydrate. You dry and weigh a sampletube. You put in the hydrate and reweigh.
You heat the tube and contents to drive off any water then cool andreweigh.
You obtain the following fictional data:

Mass of sample tube andhydrate37.9143 g
Mass of sample tube andhydrate after heating and cooling36.8824 g
Mass of empty sampletube35.6254 g
Molecular weight of the anhydroussalt112.0 g/mol

Calculate:

Mass of hydrate weighed out_______________ g(a)
Mass of water lost after heating_______________ g(b)
Per cent water in the hydrate_______________ %(c)
Moles of water lost duringheating_______________ mol(d)
Moles of anhydrous saltremaining after heating_______________ mol(e)
Ratio-moles of water permole of anhydrous salt_______________(f)

Report this ratio (f) as a single number to two decimal places,e.g. the ratio of 2.00 mole water and 1.50 mol salt is 1.33

Answer & Explanation Solved by verified expert
3.9 Ratings (520 Votes)
Mass of hydrate weighed out Mass of sample tube and hydrate Mass of empty sample tube Mass of hydrate weighed out 379143 g 356254 g 22889 g Mass of water lost after heating Mass of sample tube    See Answer
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