The normal freezing point of benzene (C6H6) is 5.5 °C. If 30.92 grams of the nonvolatile nonelectrolyte diphenylether (C12H100), are dissolved in 212.1 grams of benzene, what is the freezing point of the resulting solution? Kfp for benzene is 5.12 °C/m. °C

Q: A solution is made by dissolving 9.5 g of sucrose, C12H22O11 (molar mass 342.3 g mol-1) in water to…

A: Molarity of the solution is defined as the mole of solute, which is dissolved in the per (L) liter…

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A: The objective of this question is to calculate the pH of a buffer solution before and after the…

Q: The Ksp of lanthanum fluoride, LaF3, is 2.00 × 10-19. Calculate the molar solubility, x, of this…

A: Step 1: The maximum amount of substance that can dissolve in a given amount of solvent is…

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A: Water contains 5.25% by mass glucose. Mass of the solution=225g  Therefore, Concentration of…

Q: A beaker with 1.40x102 mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The…

A:

Q: Consider the titration of a 23.0-mL sample of 0.110 M HC2H3O3 (Ka=1.8\times 10−5) with 0.120 M…

A: volume of base required to reach equivalence point = (0.110 M x 23 ml)/0.120 M = 21.1ml of NaOH pH…

Q: You have a 0.5M stock solution of NaCl (formula weight: 58.4 g/mole), a 0.15M stock solution of…

A: Introduction   The standard concentration of the solution is usually determined in "M", which is…

Q: What is the molarity of a 30% solution of NaCI

A: Let us first define the percentage solution : 30% NaCl solution= 30% w/v solution = 30g/100 ml.Since…

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A:

Q: Combustion of a fuel sample in a bomb calorimeter increases the temperature of the entire system by…

A: Given:  Mass of water (m1 )=1700 gIncrease in temperature(∆T1)=5.10°CMass of water(m2)=2200Increase…

Q: When 2.43 g of a nonelectrolyte solute is dissolved in water to make 435 mL of solution at 25 °C,…

A: The compounds which will not ionize in any solution are called nonelectrolytes. The electricity will…

Q: What mass of potassium nitrate KNO3 should be added to 255 g of water to prepare a 15% (m/m)…

A: Potassium nitrate is a chemical compound with the chemical formula KNO3. It is an ionic salt of…

Q: When 0.2 millimoles of Y are dissolved in 250 ml of water, the resultant solution has an absorbance…

A: Beer-lambert law states that for the given material, the sample concentration and path length are…

Q: consider pyruvic acid with Ka = 1.4x10^-4. what initial molarity of pyruvic acid would be needed to…

A: The acid dissociation of pyruvic acid can be written asCH3​COCOOH(aq)→CH3​COCOO−(aq)+H+(aq) GivenpH…

Q: A chemist is performing a precipitation titration on a 1.00 L sample containing an unknown…

A: Titration is the process, in which the exact concentration of the unknown solution can be used to…

Q: What is the pH of 0.4 M formic acid (weak acid) solution? (Ka = 1.77 x 10-4 M)

A:

Q: 50X TBE is 87 mM Tris-borate and 4 mM EDTA at pH 8.3. What is the molarity of each of the chemicals…

A: Given In 50X TBE  87 mM tris-borate  4 mM EDTA pH 8.3

Q: The concentration of the conjugate base in 100 mL of 50 mM CH3COOH/CH3COO- (pKa = 4.76) at pH 5.00…

A: Step 1: Calculation of the concentration of the conjugate base (CH3COO⁻) at pH 5.00.The…

Q: Calculate the pH of a buffer that contains 0.15 M MOPS anionic form and 0.25M MOPS zwitterion.  The…

A: The zwitterion is the form of amino acid which has net charge of zero. The Henderson-Hasselbalch…

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A: Let's calculate the mass of creatinine in a 10.0 mL blood sample. The normal level of creatinine in…

Q: 9. 1.4 g of glucose (C6H1206) is dissolved in 150 ml of water (final volume). What is the final…

A: Molarity can be calculated as : M = n/V where, M is the molality of the solution that is to be…

Q: How much water would need to be added to 736 mL of a 3.15 M HCl solution to make a 0.78 M solution?

A:

Q: A 0.200 M solution of a weak monoprotic acid (HA) has a pH of 2.35. What is the value of K of this…

A: The final answers are: Ka​=9.977∗10−5Percent ionization =2.2335% Explanation:Step 1:The equation is…

Q: Refer to the following titration curve below: 13 12 11 10 7 6 5 4 4 6 8 10 12 14 16 18 20 22 24 26…

A: Iso electric point: the pH at which the Amino acid exists in a zwitter ionic state us called iso…

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A: Sedimentation Coefficient is the rate per unit centrifugal field experienced by the particle…

Q: A buffer solution contains an equal concentration of weak acid HX and its conjugate base ion X™. The…

A: The objective of the question is to calculate the pH of a buffer solution containing equal…

Q: A 110.0value - mL buffer solution is 0.255M in NH3 and 0.395 M in NH4Br. The Kb alue for NH3 is 1.76…

A: Step 1: Given:Volume:  110 mL Concentration of NH3 = 0.255 MConcentration of NH4Br = 0.395 MKb of…