A sample containing Al2O3 and Na2Cr2O7.2H2O was brought into the laboratory for analysis. The analyst heated a 2.2846 gram sample of this material to 100oC for one hour, at which time only Al2O3 and Na2Cr2O7 remained. This mixture was found to weigh 2.2312 grams. Calculate the percent chromium in the sample.
A sample containing Al2O3 and Na2Cr2O7.2H2O was brought into the laboratory for analysis. The analyst heated a 2.2846 gram sample of this material to 100oC for one hour, at which time only Al2O3 and Na2Cr2O7 remained. This mixture was found to weigh 2.2312 grams. Calculate the percent chromium in the sample.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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A sample containing Al2O3 and Na2Cr2O7.2H2O was brought into the laboratory for analysis. The analyst heated a 2.2846 gram sample of this material to 100oC for one hour, at which time only Al2O3 and Na2Cr2O7 remained. This mixture was found to weigh 2.2312 grams. Calculate the percent chromium in the sample.
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