The mass of urea that should be dissolved in 193 g of water at 35°c to produce a solution with a vapor pressure of 38. 1 mmhg is (at 35°c, vapor pressure of pure water = 42. 2 mmhg; molar mass of urea = 60 g/mol).

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is this serious

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i havent taken the psat, but i have the sat, make sure to bring some snacks, because youre in there forever, 2 sharp number two pencils, an sat approved calculator, and maybe a jacket.   your phone and any books will be taken up, so don't try to bring them(but they will be given back at the end of the testing).   good luck!   i hope you do well!

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My puppy

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hopefully this helped :)

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sure why not

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btw i'm Rachel