O ADVANCED MATERIAL Using the Kf and Kb equations with electrolytes A certain liquid X has...
= ADVANCED MATERIAL = Using the Kf and Kb equations with electrolytes A certain liquid X has a normal boiling point of 138.40 °C and a boiling point elevation constant k = 1.52 °C kg-mol. Calculate the boiling point of a solution made of 62.g of potassium bromide (KBr) dissolved in 300 g of X. Round your answer to 5 significant digits. 1 °C
ADVANCED MATERIAL Using the Kland Kb equations with electrolytes A certain liquid X has a normal freezing point of 2.60 °C and a freezing point depression constant k, = 5.29 °C kg-mol . A solution is prepared by dissolving some ammonium chloride (NHCl) in 800. g of X. This solution freezes at 0.9 °C. Calculate the mass of NHCl that was dissolved. Round your answer to 2 significant digits. Explanation Check
O GASES, LIQUIDS, AND SOLIDS Using the Kf and Kb equations with electrolytes A certain liquid X has a normal freezing point of -2.70 °C and a freezing point depression constant K, -7.62 "C'g'mol A solution is prepared by dissolving some alanine (C,H,NO) in 300. g of X. This solution freezes at -5.5 °C. Calculate the mass of C,H,NO, that was dissolved. Be sure your answer is rounded to the correct number of significant digits. x 5 ?
need help with JacoG O GASES LIQUIDS AND SOLIDS Using the Kf and Kb equations are dissolved in 100. g of X, for a certain substance X. When 4.611 g of urea ((NH2)CO) The molal boiling point elevation constant k) - 2.23 °C kgmol the solution boils at 97.2 °C. Calculate the boiling point of pure X1 Round your answer to 3 significant digits. ?
A certain liquid X has a normal boiling point of 110.30°C and a boiling point elevation constant =Kb0.71·°C·kgmol−1. A solution is prepared by dissolving some barium hydroxide (BaOH2) in 350.g of X. This solution boils at 110.7°C. Calculate the mass of BaOH2 that was dissolved.
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.
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 ?
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 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
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 ?