How many moles of atoms are contained in 12.4 g CH4? Group of answer choices 198 moles 0.773 mole 3.87 moles 7.47 x 1024 moles Which of the following contains the largest number of moles? Group of answer choices 2.0 g O2 2.0 g C2H6 2.0 g CO2 2.0 g HCl The number of oxygen atoms in 7.80 g of O2 is Group of answer choices 0.488 atoms 1.47 x 1023 atoms 5.86 x 1023 atoms 2.93 x 1023 atoms
How many moles of atoms are contained in 12.4 g CH4? Group of answer choices 198 moles 0.773 mole 3.87 moles 7.47 x 1024 moles Which of the following contains the largest number of moles? Group of answer choices 2.0 g O2 2.0 g C2H6 2.0 g CO2 2.0 g HCl The number of oxygen atoms in 7.80 g of O2 is Group of answer choices 0.488 atoms 1.47 x 1023 atoms 5.86 x 1023 atoms 2.93 x 1023 atoms
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter3: Composition Of Substances And Solutions
Section: Chapter Questions
Problem 31E: Which of the following represents the least number of molecules? 20.0 g of H2O (18.02 glmol) 77.0 g...
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Question
- How many moles of atoms are contained in 12.4 g CH4?
Group of answer choices
198 moles
0.773 mole
3.87 moles
7.47 x 1024 moles
- Which of the following contains the largest number of moles?
Group of answer choices
2.0 g O2
2.0 g C2H6
2.0 g CO2
2.0 g HCl
- The number of oxygen atoms in 7.80 g of O2 is
Group of answer choices
0.488 atoms
1.47 x 1023 atoms
5.86 x 1023 atoms
2.93 x 1023 atoms
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