What Is the Mole Fraction of Ar in a Mixture

question 92

Multiple Choice

What is the mole fraction of Ar in a mixture containing 10.1 g of Ne, 79.9 g of Ar, and 83.8 g of Kr?

• A) 0.40
• B) 0.25
• C) 0.20
• D) 0.14
• E) 0.058

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Definitions:

Brand Extensions

The practice of using an established brand name on new products to leverage existing brand popularity and enter new markets or product categories.

Baby Toiletries

Products designed specifically for the hygiene and care of infants, such as shampoos, lotions, and diaper creams.

Product Line Extension

A strategy where a company introduces additional items in the same product category under the same brand name to increase variety and reach.

Safety-Coated

refers to items that have been covered with a material to reduce or eliminate the risk of harm or injury.