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Q2) How many molecules of ethane (C2H6) are present in 0.334 g of C2H6? 03)

Q2) How many molecules of ethane (C2H6) are present in 0.334 g of C2H6? 03)

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
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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Q2 please, and Q3 and Q4 if u want to

Q2) How many molecules of ethane (C2H6) are present in 0.334 g of C2H6? Q1) How many moles of cobalt (Co) atoms are there in 6.00 X 10 (6 billion) Co atoms? thetr many years chloroform (CHCI3) was used as an inhalation anesthetic in spite of the fact ar it is also a toxic substance that may cause severe liver, kidney, and heart damage. Calculate the percent composition by mass of this compound. Q4) Lithium , is used in dry cells and storage batteries and in high temperature lubricants, it has two naturally occurring isotopes, Li and 'Li. Calculate the atomic mass of lithium. isotopes isotopic mass(amu) abundance(%) Li 7Li 6.01521 7.016003 7.50 92.50
Transcribed Image Text:Q2) How many molecules of ethane (C2H6) are present in 0.334 g of C2H6? Q1) How many moles of cobalt (Co) atoms are there in 6.00 X 10 (6 billion) Co atoms? thetr many years chloroform (CHCI3) was used as an inhalation anesthetic in spite of the fact ar it is also a toxic substance that may cause severe liver, kidney, and heart damage. Calculate the percent composition by mass of this compound. Q4) Lithium , is used in dry cells and storage batteries and in high temperature lubricants, it has two naturally occurring isotopes, Li and 'Li. Calculate the atomic mass of lithium. isotopes isotopic mass(amu) abundance(%) Li 7Li 6.01521 7.016003 7.50 92.50
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