The freezing point of a 0.21m aqueous solution of H2SO4 is -0.796oC. a. What is i?

A 1.065 sample of an unknown substance is dissolved in 30g of benzene (Kf = 5.12 and Tf = 5.5ºC); the freezing pont of the solution is 4.23ºC. The compound is 50.69% C, 4.23% H, 45.08% O by mass. Determine the molecular formula of the substance.

Match the following aqueous solutions with the appropriate letter from the column on the right. 1.0.13 m Cr(NO3)3 A. Lowest freezing point 2.0.23 m AgCH3COO 3.0.14 m CuCl2 B. Second lowest freezing point C. Third lowest freezing point D. Highest freezing point 4.0.49 m Ethylene glycol (nonelectrolyte) Submit Answer [Review Topics] [References] Use the References to access important values if needed for this question. In progress Retry Entire Group 9 more group attempts remaining Previo

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5 L山 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. 自 OL Check Save For Later Submit Assignment O2022 McGraw Hill LLC. AlI Rights Reserved. Terms of Use Privacy Center Accessibility EPIC 中Xe MacBook Pro F2 F3 F4 F7 F8 F10 6-5 #3 3. 2 $ 一 8 dele R. A C. W alt alt option 10 command option 1Q15

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* 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

when 7.94 g of xylene was added to 132.5 g of cyclohexane, the freezing point of the solution was -4.9 C. what is the molar mass of xylene?