If one a.m.u.=`1.66xx10^(-27)kg`, when is the mass of one atom of `C^(12)`?
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As `1 a.m.u. =1/12` mass of one atom of `C^(12)` `:.` mass of one atom of `C^(12)=12 a.m.u` `=12xx1.66xx10^(-27)kg=1.992xx10^(-26)kg.`
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