calculate the number of molecules in 4g of methane
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number of molecules= mass of molecules/ molar mass of molecules
molar mass ch4= 12+4×1
=16
then 4/16
= 1/4
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molar mass ch4= 12+4×1
=16
then 4/16
= 1/4
0.2 ans
I hope it is helped you
follow me
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