A 2634g sample containing impure cucl2 2h2o was heated the
A 2.634g sample containing impure CuCl2 *2H2O was heated. The sample mass after heating to drive off the water was 2.125g. What was the mass percent of CuCl2 * 2H2O in the original sample?
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based on equation2mno4notnot- 6h 5h2o2 rarr 2mn2 8h2o 5o2a 500 ml solution of hydrogen peroxide of unknown
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a 2634g sample containing impure cucl2 2h2o was heated the sample mass after heating to drive off the water was 2125g
588grams ofnbspbarium chloridenbspare mixed with excessnbsppotassium sulfate the reaction yieldsnbsp565grams
1 the next three questions are related to the analysis of mercury 20059 gmol in the sample of mercuric ointment
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what is the wavelength in nanometers of a photon with a frequency of 610 1014 sec-1 the speed of light in a vacuum is
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