When 634. mg of a certain molecular compound X are dissolved in 60. g of cyclohexane (C,H,2), the freezing point of the solution is measured to be 6.0 °C. Calculate the molar mass of X. If you need any additional information on cyclohexane, 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. 미

A solution is prepared by adding 425g of AgNO3 to 0.150L of water at 40.0∘C. The solubility of AgNO3 at 40.0∘C is 311g100.mL. How many grams of AgNO3 are expected to precipitate if the temperature is dropped to 0.00∘C where the solubility of AgNO3 is only 122g100.mL? Give the answer with three significant figures.

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What is the freezing point (°C) of a solution prepared by dissolving 13.5 g of (NH4)2SO4 (formula weight = 132 g/mol) in 100 g of water? The molal freezing point depression constant for water is 1.86°C/m. Assume complete dissociation in solution. Express your answer in decimal notation and to 2 decimal places, without units.

3. You are asked to calculate the Kf for t-butyl alcohol (MW = 74.122 g/mol). You gather the following information in your experiment. You weigh out 2.124 g t-butyl alcohol and you determine the freezing point of the solvent t-butyl alcohol is 21.6 °C (freezing point pure t-butyl alcohol). You then add water to the test tube with the t-butyl alcohol and measure the freezing point to be 15.3 °C. What key piece of information are you missing to calculate the Kf?

The solubility of PbCrO4 in water at 25 °C is measured to be 1.7 × 10° Round your answer to 2 significant digits. D ] x16 × -4 g L Use this information to calculate Ksp for PbCrO4.

The freezing point of a liquid will change when a solute is added. Explain how the addition of salt impacts the boiling point of water. Calculate the freezing point change for a given concentration. Given that water’s freezing point is 0.00ºC and the freezing point depression constant (Kf) is 1.86 ºC･kg/mol, calculate the freezing point depression for a 4.35 molal solution (moles/kg) of NaCl in water. Assume ideal behavior of the ions.

When 2.01 g of a certain molecular compound X are dissolved in 50.0 g of benzene (CH), the freezing point of the solution is measured to be 4.9 °C. Calculate the molar mass of X. 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 1 significant digit. 0 ロ・ロ X x10

* 00 les When 634, mg of a certain molecular compound X are dissolved in 60. g of cyclohexane (CH,), the freezing point of the solution is measured to be 6.0 °C. Calculate the molar mass of X. If you need any additional information on cyclohexane, 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. OLX Check Save For Later Submit Assignment O 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center Accessibility EPIC MacBook Pro esc F8 F10 F11 F2 F4 F5 F7 & # $ 2 5. 6. 4. 7. 3. R tab A G os lock C. B. command option control option command

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