Calculate the Mole Fraction of MgCl₂ in an Aqueous Solution

question 128

Multiple Choice

Calculate the mole fraction of MgCl₂ in an aqueous solution prepared by dissolving 0.400 moles of MgCl₂ in 850.0 g of water.

• A) 0.00841
• B) 0.0270
• C) 0.00900
• D) 0.0252
• E) 0.0167

---

Definitions:

Paranasal Sinuses

Air-filled spaces within the bones of the skull and face, connected to the nasal cavity and involved in the production of mucus and voice resonance.

Paranasal Sinuses

Air-filled spaces in the bones of the skull that are connected to the nasal cavity.

Nasopharynx

The nasopharynx is the upper part of the pharynx, connecting the nasal cavity above to the mouth and larynx below.

Simple Squamous Epithelium

A single layer of flat cells lining surfaces involved in passive diffusion, such as the lining of blood vessels and air sacs of the lungs.