In a 01 Molar Solution of NaCl in Water, Which of the of the Following

question 61

Multiple Choice

In a 0.1 molar solution of NaCl in water, which of the following will be closest to 0.1?

• A) the molality of NaCl
• B) the mass percent of NaCl
• C) the mole fraction of NaCl
• D) the mass fraction of NaCl
• E) All of these are about 0.1.

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Definitions:

(2R,4S)-4-ethylheptane-2-thiol

A specific stereoisomer of a compound featuring an ethyl group and a thiol group attached to a heptane chain.

(R)-3-methylpent-1-ene

A specific optical isomer of an organic compound with a branched five-carbon chain, featuring a double bond at the first carbon and a methyl group at the third position.

Reagents

Chemicals or ingredients introduced into a system to initiate a chemical reaction or to check for the presence of a reaction.

NMR Spectrum

A graphical representation of the nuclear magnetic resonance of atoms within molecules, providing information on the structure, dynamics, reaction state, and chemical environment of the molecule.