8. A substance has the following composition by mass: 35.51 percent C, 4.77 percent H, 37.85 percent O, 8.29 percent N, and 13.60 percent Na. What is its molecular formula if its molar mass is about 169 g? / RSK. C2H8O2N2NA KRS. C5H8O4N2NA RKS. C2H8O2NNA SKR. CSH8O4NNA sel

8. A substance has the following composition by mass: 35.51 percent C, 4.77 percent H, 37.85 percent O, 8.29 percent N, and 13.60 percent Na. What is its molecular formula if its molar mass is about 169 g? / RSK. C2H8O2N2NA KRS. C5H8O4N2NA RKS. C2H8O2NNA SKR. CSH8O4NNA sel

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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Concept explainers

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.

Question

8. A substance has the following composition by mass: 35.51 percent C, 4.77 percent
H, 37.85 percent O, 8.29 percent N, and 13.60 percent Na. What is its molecular
formula if its molar mass is about 169 g? !
RSK. C2H8O2N2NA
KRS. C5H8O4N2NA
RKS. C2H8O2NNA
SKR. C5H8O4NNA

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