33.33 grams of CH4 would be formed from 25 g C.
C + 2H2 → CH4
from given reaction we can say that ,
2 moles of hydrogen is required for 1 mole of carbon and these will react to form 1 mole of methane.
atomic mass of Carbon = 12 gm
Molecular mass of H2 = 2(H)
= 2(1)
=2gm
moles = molecular mass / given mass
for C,
if 12 gm = 1 mole
then 25 gm = ? mole
=2.083 moles
1 mole of C will produce 1 moles of CH4
so, 2.083 moles of C also will produce 2.083 moles moles of CH4
molecular weight of methane= C+4(H)
= 12+4(1)
= 16 gm
amount of methane produced= moles × molecular mass
=2.083× 16
= 33.33 gm
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