Answered: A 0.700 g sample of a compound of…

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 0.700 g sample of a compound of arsenic and oxygen was found to contain 0.530 g of arsenic. What is the empirical formula of the compound?

Copy and paste the subscripts above to write the formula for just the compound (do not write a reaction, do not include the phase).

Expert Solution

Step 1 theory overview

the imperical formula of a compound is the chemical formula which expresses the simplest whole number ratio of the of various elements present in one molecule of the compound

as the mass of each element ids known we need them to convert it in moles

no of moles of arcenic $\frac{g i v e n w t .}{a t o m i c w t .}$ = $\frac{0.7}{74.92}$

=0.0093moles

no of moles of oxyge = $\frac{0.530}{16}$

0.0331moles

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