QuestionDetails: A student analyzed a sample of chloride (Cl) by precipitatingAg

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QuestionDetails: A student analyzed a sample of chloride (Cl) by precipitatingAgCl. A sample of .8625g gave a AgCl prcipitate weighing .7864g. Bymistake, the student used an atomic weight of 35.345g/mol for Clinstead of the correct value of 35.453g/mol. a) Is this a determinate or indeterminate error? b) Calculate the error in the %Cl that the student made. TrueFW Ag/Cl =143.321 g/mol Hints 1. %Cl= mass precipiate (fwCl/fwAgCl)/mass of sample X100 2. Consider how the error affects both formula weights QuestionDetails: A student analyzed a sample of chloride (Cl) by precipitatingAgCl. A sample of .8625g gave a AgCl prcipitate weighing .7864g. Bymistake, the student used an atomic weight of 35.345g/mol for Clinstead of the correct value of 35.453g/mol. a) Is this a determinate or indeterminate error? b) Calculate the error in the %Cl that the student made. TrueFW Ag/Cl =143.321 g/mol Hints 1. %Cl= mass precipiate (fwCl/fwAgCl)/mass of sample X100 2. Consider how the error affects both formula weights QuestionDetails: A student analyzed a sample of chloride (Cl) by precipitatingAgCl. A sample of .8625g gave a AgCl prcipitate weighing .7864g. Bymistake, the student used an atomic weight of 35.345g/mol for Clinstead of the correct value of 35.453g/mol. a) Is this a determinate or indeterminate error? b) Calculate the error in the %Cl that the student made. TrueFW Ag/Cl =143.321 g/mol Hints 1. %Cl= mass precipiate (fwCl/fwAgCl)/mass of sample X100 2. Consider how the error affects both formula weights

Explanation / Answer

a)

This is a determinate error because the source of the error canbe identified and eliminated.

b)

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