Answered: What is the mass percent (%) for K in…

What is the mass percent (%) for K in K2CrO4? A. 26.48 B. 38.09 C. 85.48 D. 40.66 E. 56.48 I caculated with the result of 40.27% but not 40.66%.

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter19: The Chemistry Of The Main-group Elements

Section: Chapter Questions

Problem 87QRT: Assume that the radius of Earth is 6400 km, the crust is 50. km thick, the density of the crust is...

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Question

What is the mass percent (%) for K in K2CrO4? A. 26.48 B. 38.09 C. 85.48 D. 40.66 E. 56.48 I caculated with the result of 40.27% but not 40.66%.

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