F D 1 2 3 4 6 7 Calculate the percent by mass of KNO3 in a saturated solution of KNO3 in water at 70 "C. Report to 1 sig
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- F D 1 2 3 4 6 7 Calculate The Percent By Mass Of Kno3 In A Saturated Solution Of Kno3 In Water At 70 C Report To 1 Sig 1 (24.84 KiB) Viewed 20 times
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record to the nearest tenth
12- what is the molar mass of an unknown solu of a five. 81 g of that unknown compound and 30. 88 g of carbon tetrachloride that boils at 80.3 c at 1 atm? record to the hundredths place
F D 1 2 3 4 6 7 Calculate the percent by mass of KNO3 in a saturated solution of KNO3 in water at 70 "C. Report to 1 significant digit. Do NOT add the unit 300 Solubility (g solute per 100 g H₂O) 260 220 180 140 100 T 60 Sugar (C12H22011) KNO3 NaNO3 NaBr KBr KCI NaCl
23 → 0 1-2 1 2 3 4 5 6 7 6 7 Rado 4 points What are the mole fraction and molality of a solution that contains 8.50 g of ammonia, NHs, dissolved in 125 g of water? Show work. Just typing the answer without work will only earn 1 point. BIVAN IEEE 12 01:05:04 Time Remaining What is the boiling point of a 0.21 m solution of a nonvolatile salute in benene? Table 1. Bolling Point Elevation and Freezing Point Depression Constants for Several Solvents Solvent Boiling Point ("C at 1 atm) K, (Cm) Freezing Point (Cat 1 atm) K (C) water 1000 1.86 3.9 hydrogen acetate 1181 benzene 80.1 5.12 468 BI chloroform nitrobenzene 4 points A solution contains 24.12 g of urea, CONH₂)2 (a novolatile salute) and 113.66g of water. If the vapor pressure of pure water at 25 C is 23.7 tom, what is the vapor pressure of the solution in Torr? Type your answer. 61.26 2109 0.512 3.07 253 363 524 0.0 166 5.5 -635 5.67 Submit Paragraph
00 1 N 3 + 5 6 7 B 9 11 4 points What is the boiling point of a 0.21 m solution of a nonvolatile solute in benzene? Table 1. Boiling Point Elevation and Freezing Point Depression Constants for Several Solvents Solvent Boiling Point ("C at 1 atm) K₂ (Cm) Freezing Point ("C at 1 atm) K, (C¹) water 100.0 0512 hydrogen acetate 1181 3.07 benzene 80.1 2.53 chloroform 61.26 363 nitrobenzene 210.9 5.24 Type your answer. water 100.0 hydrogen acetate 1181 benzene 80.1 chloroform 61.26 nitrobenzene 210.9 Type your answer.. 0512 3.07 2.53 00 166 5.5 10 points What is the freezing point of a 1.26 m solution of a nonvolatile solute in hydrogen acetate Table 1. Boiling Point Elevation and Freezing Point Depression Constants for Several Solvents Solvent Boiling Point ("Cat 1 atm) K (C) Freezing Point ("C at 1 atm) K, (C¹) 363 5.24 -635 567 01:04:48 Ting 00 366 5.5 -635 3.67 1.86 39 5.12 460 8.1 1.86 39 5.12 4,68 8.1 of 327.3ml that contains 3.01g of methanel CH₂O in water at 3PC Submit