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i have written 100 in place of 1000.Now this is corrected.
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the solution freezes at The normal freezing point of a certain liquid X is - 2.80...
The normal freezing point of a certain liquid X is 4.1 C , but when 27.84...
The normal freezing point of a certain liquid X is 4.1 C , but when 27.84 g of urea ((NH2)2CO) are dissolved in 750 g of X , it is found that the solution freezes at -0.7 C instead. Use this information to calculate the molal freezing point depression constant Kf of X . Be sure your answer has the correct number of significant digits
8. The normal freezing point of a certain liquid X is 0.7 °C, but when 15....
8. The normal freezing point of a certain liquid X is 0.7 °C, but when 15. g of urea, (NH2)2CO, are dissolved in 250. g of X, it is found that the solution freezes at -5.8 °C instead. Use this information to calculate the molal freezing point depression constant Kr of X. Be sure your answer has the correct number of significant digits.
The normal freezing point of a certain liquid X is 6.60 °C, but when 27. g...
The normal freezing point of a certain liquid X is 6.60 °C, but when 27. g of potassium bromide (KBr) are dissolved in 300. g of X the solution freezes at 4.9 °C instead. Use this information to calculate the molal freezing point depression constant K, of X. Be sure your answer is rounded to the correct number of significiant digits. Ķ, = 0 °C kg x s ?
A certain liquid X has a normal freezing point of 5.50 °C and a freezing point...
A certain liquid X has a normal freezing point of 5.50 °C and a freezing point depression constant K =4.39 °C-kgmol. A solution is prepared by dissolving some urea (CH4N20) in 800. g of X. This solution freezes at 3.6 °C. Calculate the mass of CH4N20 that was dissolved. Be sure your answer is rounded to the correct number of significiant digits. x 6 ?
A certain liquid X has a normal freezing point of 7.80 °C and a freezing point...
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 molal freezing point depression constant K,-2.44 °C.kg mol for a certain X, the solution freezes...
The molal freezing point depression constant K,-2.44 °C.kg mol for a certain X, the solution freezes at -9.6 °C. calculate the freezing point of pure X Round your answer to 2 significant digits.
= 4.47 °C-kg-mol. Calculate the freezing point of a A certain liquid X has a normal...
= 4.47 °C-kg-mol. Calculate the freezing point of a A certain liquid X has a normal freezing point of 4.20 °C and a freezing point depression constant K solution made of 22.g of potassium bromide (KBr) dissolved in 550. g of X. Round you answer to 2 significant digits. 3°C X 5 ?
A certain substance X has a normal freezing point of 6.8 C and a molal freezing...
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.
Part A: Part B: The normal freezing point of a certain liquid X is – 8.1...
Part A:
Part B:
The normal freezing point of a certain liquid X is – 8.1 °C, but when 7.9 g of urea ((NH),CO) are dissolved in 650, 8 of X, it is found that the solution freezes at -9.7 °C instead. Use this information to calculate the molal freezing point depression constant K, of X. Be sure your answer has the correct number of significant digits. c mol 1 .kg X ? Consider the following data on some weak...
ADVANCED MATERIAL Using the Kland Kb equations with electrolytes A certain liquid X has a normal...
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
8. The normal freezing point of a certain liquid X is 0.7 °C, but when 15. g of urea, (NH2)2CO, are dissolved in 250. g of X, it is found that the solution freezes at -5.8 °C instead. Use this information to calculate the molal freezing point depression constant Kr of X. Be sure your answer has the correct number of significant digits.
The normal freezing point of a certain liquid X is 6.60 °C, but when 27. g of potassium bromide (KBr) are dissolved in 300. g of X the solution freezes at 4.9 °C instead. Use this information to calculate the molal freezing point depression constant K, of X. Be sure your answer is rounded to the correct number of significiant digits. Ķ, = 0 °C kg x s ?
A certain liquid X has a normal freezing point of 5.50 °C and a freezing point depression constant K =4.39 °C-kgmol. A solution is prepared by dissolving some urea (CH4N20) in 800. g of X. This solution freezes at 3.6 °C. Calculate the mass of CH4N20 that was dissolved. Be sure your answer is rounded to the correct number of significiant digits. 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
The molal freezing point depression constant K,-2.44 °C.kg mol for a certain X, the solution freezes at -9.6 °C. calculate the freezing point of pure X Round your answer to 2 significant digits.
= 4.47 °C-kg-mol. Calculate the freezing point of a A certain liquid X has a normal freezing point of 4.20 °C and a freezing point depression constant K solution made of 22.g of potassium bromide (KBr) dissolved in 550. g of X. Round you answer to 2 significant digits. 3°C X 5 ?
Part A:
Part B:
The normal freezing point of a certain liquid X is – 8.1 °C, but when 7.9 g of urea ((NH),CO) are dissolved in 650, 8 of X, it is found that the solution freezes at -9.7 °C instead. Use this information to calculate the molal freezing point depression constant K, of X. Be sure your answer has the correct number of significant digits. c mol 1 .kg X ? Consider the following data on some weak...
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
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