Apparent Molecular Weight of Gas Mixture

For compounds, the term molecular weight is used, while, for hydrocarbon mixture the term apparent
molecular weight is commonly used. Apparent molecular weight is defined as the sum of the products of
the mole fractions of each component times the molecular weight of that component. As shown in Eq. 1-4

Example 1.2: Determine the apparent molecular weight for the gas mixture in Table 1-2:


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