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NeedHelpInChem

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  1. a mix of gases is collected over water at 14C (287.15Kelvin) and has a total pressure of .981 atm and occupies 55mL. How many grams of water escaped into the vapor state? Hint: What is the vapor Pressure of water? This has gotten me completely confused. n=PV/RT n=(.981*.055)/(.08206*287.15) This makes the molarity .0022897674 Since Molarity = Mol/G divide .0022897674 by 16 and you get 1.431104611 I know this isn't the answer. Where did i go wrong and why do i need the vapor pressure of water? Which btw is 12 mmHg, which is inevitably .0157894737 atm HELP! I'm going crazy over this question!
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