Math Problem Statement

Tentukan rumus molekul suatu senyawa dengan persen komposısı, H=2,38%, C=42.86%, N=16.67%, O=38,09%. Massa molekul relatif 168

Solution

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Math Problem Analysis

Mathematical Concepts

Stoichiometry
Mole Concept
Empirical and Molecular Formulas
Percentage Composition

Formulas

mol = massa / massa atom relatif (Ar)
Massa molekul relatif (Mr) = (jumlah atom unsur 1 x Ar unsur 1) + ...
n = Mr molekul sebenarnya / Mr rumus empiris

Theorems

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Suitable Grade Level

Grades 10-12