Lab7Questions |Read-Only) Compatibility Mode]-Word View Tell me what you want to

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Lab7Questions |Read-Only) Compatibility Mode]-Word View Tell me what you want to do One Page «Multiple Pages New Arrange Spit O- Page Width Window All Switch Macros Propetides Reset window positon wandows . Zoom Windoww Macras SharePoin Estimating Avogadro's Number Pre-laboratory Questions 1. The stearic acid/hexane solution contains 0.1 g of stearic acid per I ml of solution. is the molarity of this solution? 2. What is the largest area of a circle that can be mode from a piece of thread 25.2 cm long (assume no knot)? 3. What is volume of one aluminum atom? ishow your work)

Explanation / Answer

Ans 1 :

Molar mass of stearic acid is 284.4772 g/mol

0.1 g of compound = 0.1 / 284.4772 = 3.52 x 10-4 moles

Molarity = 3.52 x 10-4/ 0.001

= 3.52 x 10-1 M

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