NCERT Class XI Chemistry Some Basic Concepts of Chemistry Solutions
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Question : 10
Total: 36
In three moles of ethane ( C 2 H 6 )
(i) Number of moles of carbon atoms.
(ii) Number of moles of hydrogen atoms.
(iii) Number of molecules of ethane.
(i) Number of moles of carbon atoms.
(ii) Number of moles of hydrogen atoms.
(iii) Number of molecules of ethane.
Solution:
(i) 1 mole of C 2 H 6
Number of moles of carbon atoms in 3 moles ofC 2 H 6
(ii) 1 mole ofC 2 H 6
Number of moles of hydrogen atoms in 3 moles ofC 2 H 6
(iii) 1 mole ofC 2 H 6 10 23
Number of molecules in 3 moles ofC 2 H 6 10 23
= 1.807 ×10 24
Number of moles of carbon atoms in 3 moles of
(ii) 1 mole of
Number of moles of hydrogen atoms in 3 moles of
(iii) 1 mole of
Number of molecules in 3 moles of
= 1.807 ×
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