looking for a small, whole-number ratio between the num bers of moles of the zinc and chlorine, we have some leeway in rounding off Just be true to your data rather than doing some unjustifiod rounding to get what you may think is the correct empirical formula You will be asked to compare your experimental percent zinc by mass to that calculated from your proposed empirical formula. Since hoth are derived from the data neither quahfies as an accepted value. When we compare two values that are both experimental, wo often caleulate the porcent difference between them Percent difference is exprossed as Percent difference difference between values x 100 average of the values QUESTIONS TO ANSWER BEFORE THE LAB EXERCISE 1. A0.511 g sample pure platinum metal was reacted with HCl to form 0.896 g of a compound containing only platinum and chlorine a) What is the percent by mass of platinum in the compound as determined by the data? b) What is the percent by mass of chlorine in the compound as determined by the data?
looking for a small, whole-number ratio between the num bers of moles of the zinc and chlorine, we have some leeway in rounding off Just be true to your data rather than doing some unjustifiod rounding to get what you may think is the correct empirical formula You will be asked to compare your experimental percent zinc by mass to that calculated from your proposed empirical formula. Since hoth are derived from the data neither quahfies as an accepted value. When we compare two values that are both experimental, wo often caleulate the porcent difference between them Percent difference is exprossed as Percent difference difference between values x 100 average of the values QUESTIONS TO ANSWER BEFORE THE LAB EXERCISE 1. A0.511 g sample pure platinum metal was reacted with HCl to form 0.896 g of a compound containing only platinum and chlorine a) What is the percent by mass of platinum in the compound as determined by the data? b) What is the percent by mass of chlorine in the compound as determined by the data?
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter2: Chemical Compounds
Section: Chapter Questions
Problem 92QRT
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