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Class 12 Tuition > Learn Chemistry > In three moles of ethane (C2H6), calculate the following:(i)...
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In three moles of ethane (C2H6), calculate the following:(i) Number of moles of carbon atoms (ii) Number of moles of hydrogen atoms(iii) Number of molecules of ethane

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(I) 6 moles of carbon (2) 18 moles of hydrogen (3) 6× Avogadro's number
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(1) 2 carbon in 1 mol of C2H6 so in 3 mol of C2H6 it has 3 x 2=6 mol of carbon (2) 6 Hydrogen in 1 mol of C2H6 so in 3 mol of C2H6 it has 3 x 6=18 mol of Hydrogen (3) 1 mol contain 6.02 x 10^23 so in 3 mol of C2H6 it has 3 x 6.02 x 10^23=18.069 x10^23 molecules
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(1) 2 carbon in 1 mol of C2H6 so in 3 mol of C2H6 it has 3 x 2=6 mol of carbon (2) 6 Hydrogen in 1 mol of C2H6 so in 3 mol of C2H6 it has 3 x 6=18 mol ofHydrogen (3) 1 mol contain 6.02 x 10^23 so in3 mol of C2H6 it has 3 x6.02 x 10^23=18.069 x10^23 molecules read less
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