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Category > Chemistry Posted 07 May 2017 My Price 3.00

A solution is prepared by dissolving 45.2 g of a nonvolatile

A solution is prepared by dissolving 45.2 g of a nonvolatile solute in 119 g of water. The vapor pressure above the solution is 22.51 Torr and the vapor pressure of pure water is 23.76 Torr at this temperature. What is the molecular weight of the solute?

 

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Alpha Geek
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Status NEW Posted 07 May 2017 09:05 AM My Price 3.00

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file 1494148921-Answer.docx preview (78 words )
A----------- so-----------lut-----------ion----------- is----------- pr-----------epa-----------red----------- by----------- di-----------sso-----------lvi-----------ng -----------45.-----------2 g----------- of----------- a -----------non-----------vol-----------ati-----------le -----------sol-----------ute----------- in----------- 11-----------9 g----------- of----------- wa-----------ter-----------. T-----------he -----------vap-----------or -----------pre-----------ssu-----------re -----------abo-----------ve -----------the----------- so-----------lut-----------ion----------- is----------- 22-----------.51----------- To-----------rr -----------and----------- th-----------e v-----------apo-----------r p-----------res-----------sur-----------e o-----------f p-----------ure----------- wa-----------ter----------- is----------- 23-----------.76----------- To-----------rr -----------at -----------thi-----------s t-----------emp-----------era-----------tur-----------e. -----------Wha-----------t i-----------s t-----------he -----------mol-----------ecu-----------lar----------- we-----------igh-----------t o-----------f t-----------he -----------sol-----------ute-----------? -----------Ans-----------wer-----------: ----------- Mo-----------le -----------fra-----------cti-----------on -----------of -----------wat-----------er -----------in -----------a s-----------olu-----------tio-----------n i-----------s e-----------qua-----------l t-----------o t-----------he -----------rat-----------io -----------of -----------mol-----------es -----------of -----------wat-----------er -----------to -----------the----------- su-----------m o-----------f t-----------he -----------mol-----------es -----------of -----------wat-----------er -----------and----------- th-----------e s-----------olu-----------te -----------add-----------ed -----------to -----------the----------- wa-----------ter----------- -----------
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