. Calculate the boiling point of A certain substance X has a normal boiling point of...
= 1.89 °C kg.mol. Calculate the boiling point of A certain substance X has a normal boiling point of 108.2 °C and a molal boiling point elevation constant K a solution made of 45. g of urea ((NH2), CO) dissolved in 700. g of X. Be sure your answer has the correct number of significant digits. 1°C x 6 ?
A certain substance X has a normal boiling point of 136.3 °C and a molal boiling point elevation constant K = 1.77 °C kg.mol. Calculate the boiling point of a solution made of 55.32 g of urea issolved in 850. g of X. Be sure your answer has the correct number of significant digits. 11 °C x s ?
A certain substance X has a normal boiling point of 116.6 °C and a molal boiling point elevation constant K =2.07 C-kg-mol - Calculate the boiling point of a solution made of 24.8 g of urea *((NH2),Co) dissolved in 350. 5 of X Be sure your answer has the correct number of significant digits. 19 5 ? Save For Later Submit Assignment Check $ 5 6.
The normal boiling point of a certain liquid X is 145.9 °C, but when 54.38 g of urea ((NH)CO are dissolved in 800 R of X, it is found that the solutio at 147.4 °C instead. Use this information to calculate the molal boiling point elevation constant KofX. Be sure your answer has the correct number of significant digits. I ac-mol kg x 5 ? Save For Later Sut Check
A certain substance X has a normal freezing point of 6.8 C and a molal freezing point depression constant Kf=7.51C kg x mol-1 . A solution is prepared by dissolving some urea ((NH2)2CO) in 600 of X. This solution freezes at 5.0 C . Calculate the mass of urea that was dissolved. Be sure your answer has the correct number of significant digits.
The normal boiling point of a certain liquid X is 145.40 °C, but when 69.1 g of glycine (C,H, NO,) are dissolved in 800. g of X the solution bolls at 147.7 °C instead. Use this information to calculate the molal boiling point elevation constant K, of X. Round your answer to 2 significant digits. * = 1 °C kg mol 6 X ?
C kg mol Calculate the boiling point of a solution A certain liquid X has a normal boiling point of 96.80 C and a boiling point elevation constant k-1.23 made of 221.g of barium hydroxide (Ba(OH)2) dissolved in 800. g of X. Round your answer to 5 significant digits. Dec X 5 ?
LYLLISINLASH Homework 2 chp 13 Question 25 of 28 (1 point) Question Attempt: 1 of Unlimited Zach ) 15 15 x 16 17 21 22 23 24 25 26 A solution is prepared A certain substance I has a normal freezing point of -6,6 °C and a molal freezing point depression constant k, = 2.48 kg.mol by dissolving some urea ((NH).CO) in 200. g of X. This solution freezes at 8.2°C Calculate the mass of urea that was dissolved. Be...
A certain substance X condenses at a temperature of 121.3 °C. But if a 200. g sample of X is prepared with 20. g of urea ((NH2), CO) dissolved in it, the sample is found to have a condensation point of 124.3 °C instead. Calculate the molal boiling point elevation constar of X Round your answer to 2 significant digits. •c-mol. kg x 6 ?
A certain liquid X has a normal freezing point of 7.80 °C and a freezing point depression constant K,=3.03 °C kg mol. Calculate the freezing point of a solution made of 15.6g of urea (CH N,0) dissolved in 200. g of X. Be sure your answer is rounded to the correct number of significant digits. O°C