1. Determine the percent composition of the following: a. A scientist analyzes a 50.0g sample and finds that it contains 13.3g of potassium, 17.7g of chromium and another element. Later the scientist learns that the sample is potassium dichromate, K2Cr207. Calculate the percentage composition. b. NH4NO3 c. Sulfuric acid

1. Determine the percent composition of the following: a. A scientist analyzes a 50.0g sample and finds that it contains 13.3g of potassium, 17.7g of chromium and another element. Later the scientist learns that the sample is potassium dichromate, K2Cr207. Calculate the percentage composition. b. NH4NO3 c. Sulfuric acid

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

Chapter3: Stoichiometry

Section: Chapter Questions

Problem 82E: Considering your answer to Exercise 79, which type of formula, empirical or molecular, can be...

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