The Molarity of Urea (MW = 60

question 26

Multiple Choice

The molarity of urea (MW = 60.0 g/mol) in a solution prepared by dissolving 11 g of urea in of H₂O is ________ M.Assume the volume of the solution does not change when dissolving the urea.

• A)0.314
• B)5.24
• C)314
• D)0.00524
• E)0.00642

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Definitions:

Antiaromatic

A compound that is cyclic, conjugated, but does not follow Huckel's rule, often being less stable due to its electron configuration.

Nonaromatic

Organic compounds that do not fulfill the criteria for aromaticity, lacking the special stability observed in aromatic systems.

Fused-ring Heterocycle

A cyclic compound where two or more rings share two or more common atoms, with at least one of the rings containing atoms other than carbon.

Purine

A heterocyclic aromatic organic compound, forming the basis of two of the four nucleotides that constitute DNA and RNA (adenine and guanine).