September 2019 1 28 Report
Primidin tersusun dari 60% karbon, 5% hydrogen dan sisanya nitrogen(Ar C=12,H=1,N=14). jika 1 gram primidin mengandung 7,5x10^21 molekul (bilangan Avogadro=6x10^23) tentukanlah rumus molekul primidin.


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