100 ML of a 3

question 17

Multiple Choice

1.00 mL of a 3.50 × 10^-4 M solution of oleic acid is diluted with 9.00 mL of petroleum ether, forming solution A. 2.00 mL of solution A is diluted with 8.00 mL of petroleum ether, forming solution B. How many grams of oleic acid are in 5.00 mL of solution B? (molar mass for oleic acid = 282 g/mol)

• A) 9.87 × 10^-6 g
• B) 4.94 × 10^-5 g
• C) 4.94 × 10^-4 g
• D) 1.97 × 10^-6 g
• E) 7.00 × 10^-6 g

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