Math Problem Statement
suatu senyawa organik dengan mr=180 tersusun dari 40 karbon, 6,6% hidrogen dan sisanya oksigen, jika ar c=12, ar h=1 dan ar o=16, tentukan rumus molekulnya
Solution
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Math Problem Analysis
Mathematical Concepts
Stoichiometry
Mole Concept
Empirical and Molecular Formulas
Formulas
Massa unsur = (Persentase massa unsur / 100) × Massa senyawa
Jumlah mol = Massa unsur / Ar unsur
Rumus empiris = Perbandingan mol relatif
Rumus molekul = (MR senyawa / Massa rumus empiris) × Rumus empiris
Theorems
Law of Conservation of Mass
Mole Concept in Chemistry
Suitable Grade Level
Grades 10-12
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