A sample weighing 0.6760 g that contains an unknown amount of BaCl₂ was completely dissolved in water and treated with an excess of sodium sulfate. Na2SO4 A precipitate of BaSO4 formed which was dried and weighed, yielding 0.4105 g. What percentage of the original sample was BaCl₂?   39.77   24.15   35.72

Q: Ammonium sulfate is added to an unknown mixture of ions. A precipitate forms. The solution is…

A: The inorganic salt ammonium sulphate (NH4)2SO4 has a variety of industrial applications. The most…

Q: 1. The solubility of magnesium hydroxide (Mg(OH)2) is approximately 3.7 x10-5 M at room temperature.

A: Dear student since you have posted multiple questions we will solve the first question for you if…

Q: The KCIO3 in a 0.1862-g sample of an explosive was determined by reaction with 50.00 mL of 0.01162 M…

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Q: 3. The ethyl acetate concentration in an alcoholic solution was determined by diluting a 10.00-mL…

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Q: Ll.79.

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Q: An impure sample of oxalic acid (H2C2O4) was oxidized by potassium permanganate. A 0.261-g sample of…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Part B: Sulfate. A 1.109 g sample of a material known to contain sulfate is dissolved and the…

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Q: For a 50ml beaker, 0.4532g of pure iron III oxide was weighed, to which 1 ml of a concentrated…

A: The objective of the question is to calculate the final concentration of the iron III cation…

Q: Mass of KxFe(C2O4)y · zH2O : 4.70 g Mass of sample : 0.175 g Mass of FeCl3 used in preparation :…

A: Mass of KxFe(C2O4)y · zH2O : 4.70 g Mass of sample : 0.175 g Mass of FeCl3 used in preparation :…

Q: (1.25gr) of (BaCl₂-Na2SO4) mixture was dissolved in 100 ml distilled water. If the mass of BaSO4…

A: The mass of the mixture of BaCl2-Na2SO4 =1.25 gMass of BaSO4 produced= 0.422 gTo find the mass of…

Q: A 50.0 mL solution of Ca(OH)₂ with an unknown concentration was titrated with 0.340 M HNO₃. To reach…

A: We have to write the balanced equation for the reaction and calculate :- moles of  HNO₃ moles of…

Q: Use the following atomic masses (in g/mol): Mg = 24.31; O = 16; Ca = 40.08; C = 12.01; Na = 23; H =…

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Q: what is the molarity of a solution that results from dissolving 5.4 g of a compound with FW 169.51…

A: Molarity: The number of moles of a solute present in one liter of solution is known as the molarity…

Q: Ammonium sulfate is added to an unknown mixture of ions. A precipitate forms. The solution is…

A: To identify the cations present in giving mixture of ions.

Q: A 0.4550-g solid mixture containing CaCl2 is dissolved in water and treated with an excess of…

A: Given information,    0.4550-g solid mixture containing CaCl2 is dissolved in water and treated with…

Q: The hydrogen sulfide in a 40.0-g sample of crude petroleum was removed by distillation and collected…

A: Mass of CdSO4 = 0.079 g Mass of sample = 40.0 g

Q: A dried sample of commercial salt was prepared by a coning and quartering. A 0.911-g sample of the…

A: NaCl (aq) + AgNO3(aq) -----> AgCl(s) + NaNO3(aq) 1 mole AgNO3(silver nitrate) neutralizes 1 mole…

Q: the concentration of nitrate ions in the solution at the completion of the reaction.

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Q: A quantitative analysis for ethanol, C2H60, is accomplished by a redox back titration. Ethanol is…

A: The explanation is given below-

Q: 26. 2Kl(aq) + H2O2(l) ↔ 2KOH(aq) + I2(g) + O2(g) Write the reaction above in total ionic form, and…

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.