A aqueous solution has a vapor pressure of 817mmhg at50c

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Can someone help me out with this question please,,, I am notgetting the right answer. I have tried answers 46.8, 45.6, 45.5%and it is marking it wrong :
An aqueous solution has a vapor pressure of 81.7mmHg at50C . The vapor pressure of pure water at this temperature is92.6mmHg. What is the concentration of CaCl2 in mass percent?

Reference no: EM13638639

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A aqueous solution has a vapor pressure of 817mmhg at50c : can someone help me out with this question please i am notgetting the right answer. i have tried answers 46.8 45.6
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