The mass of a hydrogen atom is 1.0 amu, and the mass of a carbon atom is 12.0 amu. What is the moiar mass of methane, CH4?
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In methane
there is 1C atom & 4H atom
therefore,
1C atom = 12amu
4H atom = 1×4 amu
= 4amu
Molar mass of CH4= 12+4
= 16amu
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