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Posted by on Monday, November 14, 2011 at 9:04am.

3.5g of CuCl2.2H2O were dissolved and reacted with excess Na2SO3 in the presence of HCl. After filtration, 1.5g of CuCl crystals was obtained. Calculate the %yield.

  • chemistry - , Monday, November 14, 2011 at 2:07pm

    1. Write and balance the equation.
    2. Convert 3.5g CuCl2.H2O to grams of the product. Use stoichiometry. Here is a worked example. Just follow the steps.
    http://www.jiskha.com/science/chemistry/stoichiometry.html
    3. %yield = (grams product/theoretical yield in grams)*100.

  • chemistry - , Wednesday, September 19, 2012 at 6:32pm

    balanced equation of cucl2.2h2o+na2so3

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