Question

Q.28. In three moles of ethane (CH), calculate:
(1) Number of moles of carbon atoms
(i) Number of moles of Hydrogen atoms
(iii) Number of molecules of ethane​

Answer 1

Answer:

(i) 1 mole of C2H6 contains 2 moles of Carbon atoms

∴ 3 moles of of C2H6 will contain 6 moles of Carbon atoms

(ii) 1 mole of C2H6 contains 6 moles of Hydrogen atoms

∴ 3 moles of of C2H6 will contain 18 moles of Hydrogen atoms

(iii) 1 mole of C2H6 contains Avogadro’s no. 6.02×1023 molecules

∴ 3 moles of of C2H6 will contain ethane molecule = 3×6.02 ×1023= 18.06 ×1023 molecules.

Explanation:

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