Calculate the amount of temporary and permanent hardness of a water sample in units of Degree Clarke’s, and ppm,

Q: Solute S has a distribution constant of 6.1 between water (phase 1) and hexane (phase 2). Calculate…

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Q: What is the concentration of Mg  ion in a solution that contains 75.0 micro grams of the ion in 500…

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Q: Using the graph, calculate how many grams of NH4Cl must be added to 40mL of H2O to create a…

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Q: The boiling point of ethanol CH3 CH₂OH is 78.50 °C at 1 atmosphere. A nonvolatile, nonelectrolyte…

A: Mass of solvent (ethanol) = 295.0 g = 0.295 kg Raise in boiling point (ΔTb) = 0.300°C Mass of solute…

Q: (a) What is the percentage by mass of NaCl in a saturated solution of sodium chloride at 50°C?

A: “Since there are multiple questions and it is not mentioned that which one has to be solved so I am…

Q: Benzene and toluene form an ideal solution. Find the following entities for mixing 100.0 g of…

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Q: The boiling point of a solution containing 7.51 g of a nonvolatile hydrocarbon in 102.2 g of acetone…

A: Given  Mass of nonvolatile hydrocarbon = 7.51 g Mass of acetone = 102.2 g  Boiling point of solution…

Q: The boiling point of benzene, CH, is 80.100 °C at 1 atmosphere. K,(benzene) = 2.53 °C/m In a…

A: Given: Boiling point of benzene = 80.100 oC. Kb of benzene = 2.53 oC/m. Mass of new compound…

Q: Which of standard substance (or standardized solution) is correct for standardization of EDTA:…

A: A standardized solution is the one whose concentration is known with certainty.

Q: A particular water sample that is saturated in CaF2 has a Ca²+ content of 105 ppm (that is, 105 g…

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Q: When 426. mg of a certain molecular compound X are dissolved in 30. g of benzene (C6H6), the…

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Q: Which substance shows the greatest increase in solubility as the temperature rises

A: A solubility curve refers to a data-based graph that compares the amount of solute which will…

Q: When (8.09x10^1) g of a non-electrolyte is dissolved in (5.9500x10^2) g of a solvent (with Kp =…

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Q: Calculate the DGmix, DSmix, DHmix, and DVmix for a solution prepared by mixing 2 moles of benzene…

A: Given the moles of benzene, nb = 2 mol Moles of toluene, nt = 3 mol Total moles = (3+2) mol = 5 mol…

Q: When 9.730 g of aspirin was dissolved in 102.7 g of benzene, the freezing point was 275.9 K. What is…

A: What is the formula mass of this compound?

Q: 2. A solution of KCI is saturated at 50°C. (a) How many grams of solute are dissolved in 100 g of…

A: Answer:- This question is answered by using the given solubility table at different temperatures.…

Q: escrib

A: Volume of stock solution = 250 mL [Ammonium bicarbonate] = 50 mM = 50 ×10-3 M [ATP] = 1 mM = 1 ×10-3…

Q: 2. 20.0 g of white crystals, which might have been either NaCl (MW = 58.0 g/mol) or sucrose (MW =…

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Q: When 49.9 g of benzamide (C,H,NO) are dissolved in 650. g of a certain mystery liquid X, the…

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Q: Organic compound contained C, 18.3%; H, 0.51%; and the rest is Br. When 0.793 g of the compound was…

A: Given data,Percentage of C=18.3%Percentage of H=0.51%Percentage of Br=100-(18.3+0.51)=81.19%Mass of…

Q: the freezing point of the solution be?  Calculation sheet attached.

A: Given: The melting (freezing point) point of carbon disulfide = -111.5 deg C. The freezing point…

Q: A solution of toluene (C,H,) in 131 g of cyclohexane (C6H₁2) has a boiling point of 90.30 °C. What…

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Q: to access important values if needed for this question. The boiling point of ethanol, CH3 CH₂OH, Iis…

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Q: whole number. 50 45 40 35 30 25 20 15 10 5 0 Solubility (g unk. salt / 100 g H₂O) 10 15 20 25 30 35…

A: The given question is related to the calculation of amount of salt required to dissolve in 100 grams…

Q: The mass percent composition of an organic compound showed that it contained 40.0% C, 6.7% H and…

A: Given,percentage by mass of atoms in the compound:    40.0% C, 6.7% H and 53.3 % OMass of compound =…

Q: Assuming ideal solution behavior, what is the boiling point of a solution of NaCl in water if the…

A: i = 2 for NaCl as it is a strong electrolyte. ∆Tf = i×Kf×m 0.93 = 2×1.86×m             equation 1…

Q: A solution of 2.50 g of a compound having the empirical formula C6HsP in 25.0 g of benzene is…

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Q: A solution is made of two volatile solutes: Chemical A (with a pure vapor pressure of 80.0 mm Hg)…

A: Given data,Q1) Pure vapor pressure of chemical A=80mmHgPure vapor pressure of chemical…

Q: 0.450 mole of urea (CH4N2O) in 2.50 x 10^2

A: Given: 0.450 mole of urea (CH4N2O) in 2.50 x 10^2mL of solution

Q: What    is    the    molar    concentration    of    NaOH in    a    20%    (w/v)    NaOH…

A: Solution- The molecular weight of NaOH = 40.00 g/mol. We have to calculate the molar concentration…

Q: (a) What is the theoretical melting point for a mixture containing 80% by mole of A? (b) Describe…

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Q: (b) Describe the change in composition of the solution containing a mole fraction of 0.10 A as the…

A: TLC spot is spotted always above the developing solvent level

Q: g at 10. °C. Calculate the volume of a saturated solution of M in mL The solubility in acetonitrile…

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Q: You are given 250 mL of 0.021 M Na2SO4 (density=2.664 g/cm3) at 60°C, determine the following: 22.…

A: osmotic pressure = i CRT

Q: Assuming that NaCl will dissolve perfectly and form an ideal solution, what mass of NaCl is needed…

A: The freezing point depression is calculated by using the following formula. ∆Tf = m×Kf Where, Kf =…

Q: Macmillan Learning Assuming 100% dissociation, calculate the freezing point (T) and boiling point…

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Q: A water contains 180 mg/l Ca, 75 mg/l Mg, 160 mg/l HCO3', and 150 mg/l CO2, all expressed as CaCO3.…

A: Total hardness TH = Ca in mg/L ×Eq. of CaCO3Eq. of Ca+  Mg in mg/L ×Eq. of CaCO3Eq. of Mg…

Q: A solution is prepared from 54.26 g of iron(III) chloride and 186 g of water. Calculate the mass…

A: Dear student,                      As per our guidelines we are supposed to solve one question at a…

Q: A sample of water contained the following salts in ppm. CaCO3 = 20 ,MgS04 = 6.0, CaS04 = 13.6 Mg…

A: In this question, salts present in the water sample (in ppm) are given below : CaCO3 = 20 MgSO4 =…

Q: ANSWER THE FOLLOWING FOR A THUMBS UP What is the molarity of the solution? What will be the change…

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Q: Pure butanol (C4H₁0O) has a normal boiling point of 117.73 °C. A solution of 30.1 g of…

A: Given: Mass of C20H14O4 (solute) =  30.1 g Molar mass of C20H14O4= 318.31 g/ molAs No. of moles =…

Q: A) Calculate the concentration in molality of a solution prepared by dissolving 2 mol of chloric…

A: A) B)

Q: Assuming 100% dissociation, calculate the freezing point (T₂) and boiling point (T) of 1.81 m CaCl₂…

A: Given that  The molality of aqueous CaCl2 solution, m = 1.81 m  Assuming 100% dissociation,  The…

Q: For a sample of water with the ionic composition shown below, the Carbonate and Non-carbonate…

A: Introduction The presence of soluble bicarbonates, chlorides, and sulfates of calcium and magnesium…