26) Which of the following samples has the greatest density at STP? A) O2 B) SF6 C) Xe D) CO2 E) All of these sampl...

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Answer 1

Answer #1

denisty formula : d = P M / R T

P , R , T are constants . so denisty depends on molar mass now

molar mass of O2 = 32 g / mol

SF6 = 146 g / mol

Xe = 131.29 g / mol

CO2 = 44 g / mol

answer : B) SF6

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Answer 2

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