Question

. calculate the number of h atoms present in 5 moles of ethane molecule

Answer 1

There are six atom of hydrogen in each molecule of C2 H6 .so hence 1 mole C2 H6 will have 6 mole of hydrogen atoms.so easily we can find the hydrogen atoms in 5 molecules.

We also know that 1 mole of a atom contain 6.02*10^23 (avagadro constant)

so in 5 molecules hydrogen there will be atom = 6.02*10^23 * 5 = 3.01*10^24 atoms

So the 5 hydrogen atom in ethane will have 6.02*10^23 atoms

Answer 2

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