Given that the value of kf for water is 1.86°C/m, what is the freezing point of an aqueous solution of NaCl prepared by mixing 427.0 g solute with 1.000 kg of water? Show your work for full credits (just explain step by step and put the answer at the end)

Use the solubility curve below to answer the following questions: 150 140 130 120 110 100 NANO3 90 80 70 60 NH&Cl KCI NaCi 50 40 30 20 KCIO3 10 Ce2(SOals O 10 20 30 40 50 60 70 80 90 100 Temperature (c) Q1) As the temperature increases, the solubility of the NH3 in water Q2) The solute, NH3, is MOST likely a (increases/decreases/stays the same). (solid, liquid, or gas). Q3) How many grams of NH4CI are dissolved in 500 g of water at 90 °C? Q4) If you had 50 grams of NH4CI in 100 g of water at 40 °C, would the solution be saturated, unsaturated, or supersaturated? Q5) You heat a solution of KCIO3 to 80°C and saturate the solution. You then allow the solution to cool down to 50°C. How many grams of solute would precipitate out of the solution? NH3 per 100 g H,0 Grams of solute ONO CON

[References] Use the References to access important values if needed for this question. The boiling point of ethanol, CH3 CH₂OH, is 78.500 °C at 1 atmosphere. K₁ (ethanol) = 1.22 °C/m In a laboratory experiment, students synthesized a new compound and found that when 14.95 grams of the compound were dissolved in 293.3 grams of ethanol, the solution began to boll at 78.570 °C. The compound was also found to be nonvolatile and a non-electrolyte. What is the molecular weight they determined for this compound? g/mol Submit Answer Retry Entire Group 9 more group attempts remaining Show Hint Congage Learning Cengage Technical Support Previous Next Save and Exit

1-A sample of pure t-butyl alcohol weighing 6.22 g was found to have a freezing point of 24.7 °C. When 0.543 g of an unknown compound X was added to the t-butyl alcohol, the mixture had a freezing point of 21.3 °C. Calculate the molar mass of compound X. (Kf = 12.8 °C/molal for t-butyl alcohol.)A sample of pure t-butyl alcohol weighing 6.22 g was found to have a freezing point of 24.7 °C. When 0.543 g of an unknown compound X was added to the t-butyl alcohol, the mixture had a freezing point of 21.3 °C. Calculate the molar mass of compound X. (Kf = 12.8 °C/molal for t-butyl alcohol.)   2-What is the rate law expression for the reaction A + B → C, based on the following data

(CH), the freezing point of the solution is measured to be 3.5 °C. Calculate If you need any additional information on benzene, use only what you find in the ALEKS Data resource. Also, be sure your answer has a unit symbol, and is rounded to 2 significant digits. 0 When 11.5 g of a certain molecular compound X are dissolved in 45. g of benzene the molar mass of X. ロ・ロ X 0x1.2

When 0.52 g of an unknown nonelectrolyte are dissolved in 35.0 g cyclohexane, the freezing point of the solution is 5.1ºC.  Pure cyclohexane freezes at 6.6ºC and has a Kf of 20.0ºC/m. What is the molar mass of the unknown in g/mol? Enter your answer with no decimal places (round to the nearest whole number). Do not include units. Do not worry about significant figures. Example: 2

8. * 00 #3 11 v 12 13 v 14 v 15 v 16 = 17 19 v 20 When 1.06 g of a certain molecular compound X are dissolved in 85.0 g of dibenzyl ether ((C,H,CH,),0), the freezing point of the solution is measured to be 0.9°C. Calculate the molar mass of X. If you need any additional information on dibenzyl ether, use only what you find in the ALEKS Data resource. Also, be sure your answer has a unit symbol, and is rounded to 1 significant digit. Check Save For Later Submit Assignment O 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use I Privacy Center Accessibility EPIC MacBook Pro 888 F4 F8 & * $4 7. R. alt command option option command

A)What is the H+H+ concentration for an aqueous solution with pOHpOH = 3.54 at 25 ∘C∘C? Express your answer to two significant figures and include the appropriate units. b)At a certain temperature, the pHpH of a neutral solution is 7.49. What is the value of KwKw at that temperature? Express your answer numerically to two significant figures. c) answer the attached image

Help with the following question

a) Calculate the freezing point of a solution containing 13.2 gg FeCl3FeCl3 in 156 gg water. b) Calculate the boiling point of the solution above. c) Calculate the freezing point of a solution containing 6.0 %% KClKCl by mass (in water). Express your answer using two significant figures.