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A certain substance X has a normal freezing point of -3.1 °C and a molal freezing point depression constant 1 K,=7.46 °C kg mol '. A solution is prepared by dissolving some urea (NH,),CO) r CO) in 750. g of X. This solution freezes a -7.1 °C. Calculate the mass of urea that was dissolved. Round your answer to 2 significant digits. ado Oxto ?

A certain substance X has a normal freezing point of -3.1 °C and a molal freezing point depression constant 1 K,=7.46 °C kg mol '. A solution is prepared by dissolving some urea (NH,),CO) r CO) in 750. g of X. This solution freezes a -7.1 °C. Calculate the mass of urea that was dissolved. Round your answer to 2 significant digits. ado Oxto ?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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A certain substance X has a normal freezing point of -3.1 °C and a molal freezing point depression constant - 1 K=7.46 °C-kg•mol A solution is prepared by dissolving some urea CO in 750. g of X. This solution freezes at -7.1 °C. Calculate the mass of urea that was dissolved. Round your answer to 2 significant digits. olo Ar
Transcribed Image Text:A certain substance X has a normal freezing point of -3.1 °C and a molal freezing point depression constant - 1 K=7.46 °C-kg•mol A solution is prepared by dissolving some urea CO in 750. g of X. This solution freezes at -7.1 °C. Calculate the mass of urea that was dissolved. Round your answer to 2 significant digits. olo Ar
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