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The density of liquid mercury is 13.69 g/cm. How many atoms of mercury are in a 1.614E1 mL sample?

The density of liquid mercury is 13.69 g/cm. How many atoms of mercury are in a 1.614E1 mL sample?

Chemistry
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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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HQ2.50 Homework • Unanswered The density of liquid mercury is 13.69 g/cm3. How many atoms of mercury are in a 1.614E1 mL sample? Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 10) Type your numeric answer and submit
Transcribed Image Text:HQ2.50 Homework • Unanswered The density of liquid mercury is 13.69 g/cm3. How many atoms of mercury are in a 1.614E1 mL sample? Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 10) Type your numeric answer and submit
Expert Solution
Step 1

density = massvolume

mass = density × volume

mass of liquid mercury = 13.69 g/cm3 ×1.614 ×101 mL = 220.96 g       ( 1cm3 = 1mL)

Now, molar mass of mercury = 200.59 g/mol

Therefore, no. of moles of mercury = mass in gramsmolar mass = 220.96200.59 mol =1.10 mol

 

 

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