Which of the following is not true about K- values? a. K=0.5 when an azeotrope exists at the given temperature b. The K-value is a convenient construct for use in flash calculation c. When Raoult's law can be applied, the K- values are constant d. Historically, K-values for light hydrocarbons were often taken from a set of charts constant called DePriester charts. (m-values not k – values)

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