How Many Moles of Ethylene Glycol Must Be Dissolved in 500

question 62

Multiple Choice

How many moles of ethylene glycol must be dissolved in 500 g of water (K_f = 1.86 °C m^-1) to lower the freezing point to -5.00 °C?

• A)18.6 mol
• B)2.69 mol
• C)0.268 mol
• D)3.73 mol
• E)1.34 mol

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Definitions:

Pyramidal Composition

refers to an artistic arrangement or structure in which elements of a work are organized in the shape of a pyramid, often used to create a sense of stability and focus.

Chiaroscuro

A technique in art where light and shadow are contrasted to create a sense of volume in modelling three-dimensional objects and figures.

Madonna in the Meadow

A famous Renaissance painting by Raphael, depicting the Virgin Mary with Jesus and John the Baptist as children.

Cinquecento

Italian, “500”—that is, the 16th century (the 1500s) in Italy.