How much Na2SO4 is required to precipitate 2.50g of Ba(NO3)2 in the form of BaS04? AW: Ba = 137.33, Na = 22.99, S= 32.07, N = 14.01, O = 16.00 %3D %3D O 2.50 g 0.0176 mole O 0.0191 mole O 1.36 g

Q: • How many grans and how many mL of 40.0 wt-% urea solution (density 1.111 g/mL) are required to…

A: The reactions to be considered are,

Q: If the solubility of O2 at 0.160 bar and 25°C is 6.65 g/100 g H2O, what is the solubility of O2 at a…

A: Data given: The solubility of O2 = 6.65 g/100 g (at 0.160 bar and 25°C) The solubility of O2 = ? (at…

Q: 30.0 g of K2Cr2O7 is completely dissolved in 50.0 g of hot H2O. This solution is then cooled to 20…

A: Mass of K2Cr2O7 = 30 g Mass of water = 50 g Mass precipitated out at 20°C = ?

Q: The Henry’s law constant (kH) for O₂ in water at 20°C is 1.28X10⁻³mol/Latm. (a) How many grams…

A: According to the Henry’s Law: Solubility of O2 in 1 L = 1.28×10-3 mol Solubility of O2 in 2.5 L can…

Q: Given that the solubility of Cd3(PO4)2 is 1.2 x 10 mol/L what is its Ksp value? Note: the formula…

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Q: Preparation of 0.5M HCI and 0.5M NaOH

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Q: The [H3O*] of a 1.2 M of NH,4CI (K = 1.8 x 10) in H2O at 25°C is:

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Q: 1. Solve the % by mass of a solution containing 25.5g of NaCl dissolve in water. Given: solute =…

A: I solved only first question. Remaining repost

Q: is Cyclohexane soluble in CH2Cl2, water, NaOH, or H2SO4?

A: Cyclohexane has the chemical formula C6H12. Cyclohexane is a non-polar substance. Cyclohexane is a…

Q: The Henry’s law constant (kH) for O2 in water at 20°C is 1.28 x 10-3 mol/L⋅atm. (a) How many grams…

A: Given: The Henry's law constant for water = 1.28×10-3 mol/ L.atm Volume of water= 2.50L

Q: Using the solubility curve for K2Cr207 to the right, what is the 80 maximum amount of grams of 70…

A: Solubility curve is used to determine the mass of solute in 100g (100 ml) of water at a given…

Q: given the Ksp of CaSO4 is 4.93 x10^-5 mol^2 L^-2, what is its solubility

A: Since CaSO4 is insoluble in water Hence its solubility reaction is  => CaSO4 (s) -------->…

Q: H.W: 1- A solution of KCl (its volume =500 mL) contains 7.45 ppm KCI Calculate Molarity and…

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Q: Arterial blood contains about 0.25 g of oxygen per liter at 37°C and standard atmospheric pressure.…

A: Given: Henry's constant , kH = 3.7 × 10–2 mol/(L • atm) mole fraction of O2 = 0.209

Q: What is the solubility of  Bi2S3 in g/L (At. Mass: Bi = 209; S =32 ). Ksp Bi2S3= 1.6 x 10-72

A: Given;

Q: Orthophosphate (PO4³) is determined by weighing as ammonium phosphomolybdate, (NH4)3PO4 •12MOO3.…

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Q: 3. Which of the following statement/s is/are correct? 1. 3.00 N H2SO4 is equivalent to 6.00M H2SO4.…

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Q: Carbon dioxide (CO2) is an important greenhouse gas with a Henry volatility constant of 3.3x…

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Q: Which compound is most soluble at 30°C? O NANO3 O NaCI O KCI O KCIO3

A: The question is related to finding out the most soluble salt at particular temperature. This can be…

Q: 1. What is the Molarity, Normality, and Molality of H,PO, in a reagent-grade bottle that is 86%…

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Q: 3. Which of the following statement/s is/are correct? 1. 6.00 N H2CO3 is equivalent to 3.00M H2CO…

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Q: Carbon dioxide (CO2) is an important greenhouse gas with a Henry volatility constant of 3.3x104…

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Q: Solubility Curve for KNO3 150 140 130 120 110 100 KNO3 90 80 70 60 50 40 30 20 10 10 20 30 40 50 60…

A: We have to tell how much KNO3 can be dissolved in 100 g of water .

Q: Which of the following compounds is the most soluble (in moles/liter)? Baso4 Ksp = 1.5 x 10-9 O CoS…

A: Ans is C

Q: Determine the final concentration in mol dm–3 of K+ and SO42– when the following three solutions in…

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Q: Consider the reaction of 75.0 mL of 0.350 M C₅H₅N (Kb = 1.7 x 10⁻⁹) with 100.0 mL of 0.411 M HCl.…

A: Given : Concentration of C₅H₅N = 0.350 M And volume of C₅H₅N solution = 75.0 mL = 0.075 L…

Q: Calculate the molarity of phosphoric acid that contains 85%(W/W) by mass of aqueous solution of…

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Q: How does CrBr3(s) break up in solution? Write subscripts and uperse numbers and do not include…

A: Criss-Cross method to determine charge on ions in polyatomic compound. let, Ax By be any compound x…

Q: Barium chloride is reacted with sodium sulfate to produce barium sulfate and sodium chloride. How…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: In an aqueous solution of sodium hydroxide, whose density is 1,170 g/ml, the mole fraction of the…

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Q: Given that the solubility of Co3(PO4)2 is 4.5 x 108 mol/L what is its Ksp value? Note: the molar…

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Q: What is the solubility of BaF2 in water? The Ksp for BaF2 is 1.0x10^-6 . Solubility is _____M

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Q: A solution is prepared by adding 425g of AgNO3 to 0.150L of water at 40.0∘C. The solubility of AgNO3…

A: The solubility of a compound is the dissolution of a solute in the solvent. It is measured in the…

Q: In which of the following aqueous solutions would you expect CuS to have the highest solubility? For…

A: Solubility of a given compound is defined as the maximum mass of solute that can be dissolved in a…

Q: 0.5M KOH solution is needed in the qualitative identification of anthraquinone glycosides in plants.…

A: Concept is based on Molarity:

Q: What is the partial pressure of carbon dioxide in a container that holds 5 moles of carbon dioxide,…

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Q: How would you use a volumetric flask to prepare 250.0 mL of 0.150 0 M K2SO4?

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Q: What is the solubility of AuBr (Ksp= 5.0 × 10-17 at 25 °C) in g/100mL?

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Q: Carbon dioxide (CO2) is an important greenhouse gas with a Henry volatility constant of -4 3.3x10…

A: Solution -

Q: Describe how you would prepare a 800 mL of a 0.57 M Pb2+from solid Pb3(PO4)2

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Q: Without doing any calculations, rank the following so that the most soluble is #1 and the least…

A: The solubility product constant (Ksp) describes the equilibrium between a solid and its constituent…

Q: True or False: Based on the evidence in the graph, when 10 g of Ce2(504)3 is dissolved in 100 mL of…

A: given: mass of Ce2(SO4)3 dissolved =10gvolume of water  =100ml temperature = 20∘C

Q: Which compound is most soluble at 60°C? O NaCI O KCI O Pb(NO3)2 O Ce2(SO4)3

A: When the amount of solute is dissolved in a solvent to make a homogenous mixture are known as…

Q: What is the mole fraction toluene in a solution made by dissolving 5.00 g of toluene (CZH8) in 39.0…

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Q: What is the solubility oh PbF2 in water? The Ksp for PbF2 is 2.7 x 10^-8

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Q: . How many grams of PbBr2 are necessary are 250 mL of saturated solution? bBr2 = 367 gmol-1, Kgp =…

A: Ksp is the solubility product which is defined for solid.

Q: Calculate the molarity of absolute ethanol (100 % v/v ethanol).  b) Leeuwin Estate Art Series…

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Q: b. Choose the solvent, water or carbon tetrachloride, which is going to be best dissolving agent…

A: There ar two types of solvents  1) polar solvents  2) nonpolar solvents    Water is a polar solvent…

Q: Mass solute needed to prepare 0.500L of 0.2 M NaCO3

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Q: What is the weight percent (w/w) of NaOH in a solution prepared by dissolving 30g of NaOH in 120g of…

A: Since we know that percent weight by weight is calculated as %(w/w) =( mass of solute /mass of…