Thursday
April 24, 2014

Homework Help: chemistry

Posted by Johny on Tuesday, February 19, 2013 at 1:42pm.

mass of crucible- 26.4574g
mass of crucible and hydrated sample- 27.7617g
mass of hydrated sample 1.3043g
mass of crucible and dehydrated sample- 27.5693g
mass of dehydrated sample- 1.1119g
mass of filter paper- 0.7089g
mass of filter paper and copper- 1.1418g
mass of copper- ?
no. moles of copper- ?
mass of water evolved- ?
no. moles of water- ?
mass of chlorine in sample (by difference)- ?
no. moles of chlorine- ?
mole ratio, chlorine:copper in sample- ?
mole ratio, water:copper in hydrated sample- ?
formula of dehydrated sample (round to nearest integer- ?
formula of hydrated sample- ?

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