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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Question
Transcribed Image Text:The compound noradrenaline contains 56.80%
C, 6.55%
H, 28.37%
O, and 8.28%
N by mass. What is the empirical formula for noradrenaline?
(Enter the elements in the order: C, H, N, O.)
The empirical formula is
Expert Solution
Step 1 empirical formula
To solve thia problem we have consider that mass of given compound is 100 g
Then according to the percentage we get the mass of all elements
Now we calculate the number of mole of each elements using there molar mass
And finally divide all mole by smallest fraction to make the number of mole as simple whole number ratio .
We get empirical formula by combination of all elements according to there number of mole .
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