KMnO4 by heating. Calculate the Ca concentration in the sample since 4.94 mL

Q: A solution contains 1.32x10-2 M zinc nitrate and 5.74x10-3 M copper(II) acetate. Solid potassium…

A: The question is based on the concept of solubility product principle.It states that when a weak…

Q: The arsenic in a 2.345g sample of a pesticide was converted to H 3 AsO4 by suitable treatment. The…

A: Molarity is defined as the number of moles of solute per litre of the solution. It is denoted as M.…

Q: A 45.0 mL sample of 0.456 M ascorbic acid, HC6H706, was titrated with 0.332 M KOH solution. Ka = 8.0…

A: Given :

Q: ) A 20.2 mL sample of a 0.422 M aqueous hydrofluoric acid solution is titrated with a 0.426 M…

A:

Q: Use solubility to calculate Ksp The solubility of Co(OH)2 is measured and found to be 3.76×104 g/L.…

A: The solubility of Co(OH)2 = 3.76×10-4 g/L.We have to calculate the solubility product (Ksp) value…

Q: A 25.50 mL sample of calcium hydroxide is titrated with 0.010 M HCl and 2 drops of methyl orange…

A: molar solubility = number of moles/volume of solution in litres

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

A: The objective of this question is to calculate the quantity in moles of HNO3 used in the titration.

Q: After completing a distillation to purify a mixture of sodium chloride and water, you decide to test…

A: Distillation is a widely used technique in chemistry for purifying liquids based on differences in…

Q: Potassium hydrogen phthalate (KHP) is often used as a primary standard in acid–base titrations. If…

A:

Q: When 48.0 mL of Sr(OH)2 solution was used to titrate 25.0 mL of 0.40 M HCI, the indicator,…

A: A titration is a technique that uses a known concentration of a solution to determine the…

Q: An acid with molar mass 84.48 g/mol is titrated with 0.650 M KOH. What volume of KOH solution is…

A: At equivalence point of the acid-base reaction, the number of moles present in both acid and base is…

Q: Addition of an excess silver nitrate to a 0.5012 g sample yielded a mixture of AgCl and Agl that…

A: Excess silver nitrate was added to a mixture containing NH4I and NH4Cl.…

Q: Tungsten trioxide (Wo,) has a rich yellow color and is often used as a pigment in ceramics and…

A:

Q: 0.00247

A: Molarity of KMnO4 = 0.0010 M Volume of KMnO4 = 4.94 mL At equivalent point,  Geq. of KMnO4 = Geq. of…

Q: 12. A 0.5000-g sample that contains KCl and KI gives a precipitate of Aga and AgI that weighs 0.2818…

A:

Q: A solution contains 3.0 x 10-6 M Na3PO4. What is the minimum concentration of AgNO, that would cause…

A: The concentration of Na3PO4 is 3.0×10-6 M. Ksp of Ag3PO4 is 1.8×10-18

Q: How many grams of precipitate will form when Na2SO4 reacts with 25 mL of 0.50 M Ba(NO3)2?

A: The balanced reaction would be: Na2SO4 (aq) + Ba(NO3)2 → BaSO4 (s) + 2 NaNO3(aq)

Q: For the determination of Ca in blood serum, 5 mL of a serum sample is taken and the Ca2 + in it is…

A:

Q: A 55.00 mL solution of 0.3900 M AGNO, was added to a solution of AsO. Ag, AsO, precipitated and was…

A: Given. the AgNO3 solution is 55 ml or 0.055 L of 0.39M or 0.39 mol/L moles of Ag in the given…

Q: A solution contains 0.0500 M Ca2 and 0.02500 M Ag*. Can 98 % of Ca*2 be precipitated by sulfate…

A:

Q: A solution contains 1.08×10-2 M lead nitrate and 1.24x10-2 M silver acetate. Solid ammonium bromide…

A: Given: Concentration of silver acetate i.e. AgCH3COO = 1.24 × 10-2 M Concentration of lead nitrate…

Q: Calculate the number of milliters of 0.755 M KOH required to precipitate as Fe(OH), all of the Fe3+…

A: We have to first write the balance chemical equation for precipitation of FeI3 with…

Q: Calculate the Ksp for Ca(OH)2 in the solution at 82.9 °C (See equation 2) Your answer should have 4…

A: GIVEN: Concentration of HCl= 0.01252 M The volume of HCl at the equivalence= 17.94 mL The volume of…

Q: At some other temperature, a solid sample of Ca(OH)2 is shaken with 0.0100 M CaCl₂. Once…

A: The reaction of neutralization can be represented as; OH- (aq) + HCl (aq)  --->  H₂O(l) +  Cl-…

Q: PbCl2 is a slightly soluble salt.  A solution contains 0.0045 M  Pb+2. What concentration of Cl- is…

A: Concept based on the solubility product and ionic product of the sparingly soluble salt. If Ionic…

Q: A two-liter sample of mineral water was evaporated to a small volume, following which the potassium…

A:

Q: A solution has [Ba^2+] = [Sr^2+] = 0.10 M. Use data from the following table to choose the best…

A: The solubility product constant is the equilibrium constant where the solids get dissolved in water,…

Q: Consider the titrimetric determination of acetic acid (60.05 g/mol) in vinegar. Titration of a 5.00…

A: Given: Concentration of NaOH = 0.250 M And volume of NaOH solution used = 16.15 mL = 0.01615 L…

Q: A volume of 50 mL of 1.8 M NH3 is mixed with an equal volume of a solution containing 0.95 g of…

A: The concentration of Mg2+ ion in the resulting solution of 100 mL is;…

Q: A solution contains 0.036 M Cu²+ and 0.044 M Fe2+. Another solution containing sulfide ions is added…

A:

Q: A 0.6407-g sample conta ions gave a silver halide This precipitate was then pre of Cl2 gas to…

A: Introduction :  The mass percent can be defined as the percentage by mass of each element present in…

Q: You have a solution of 1M BaCl2 and another of 1M Hg2(NO3)2. If you poured them together, what…

A: 1. In double displacement reaction,  cation of one species easily replaces cation of another species…

Q: 100.0 mL of 0.0010 M Ca(NO3), and 100.0 mL of 0.0010 M Na₂HPOд are mixed. Determine if CaHPO will…

A: Given:Calculate concentrations of ions in solution after mixing solutions of different salts…

Q: A solution contains 9.41x10-3 M magnesium acetate and 6.30x10-³ M copper(II) nitrate. Solid…

A: Answer:When solutions of two different substances are mixed and formation of precipitate takes place…

Q: A solution contains 1.37x10-2 M cobalt(II) nitrate and 1.14x10-2 M lead acetate. Solid ammonium…

A:

Q: 0.28g 0f MBr is dissolved in distilled water and made up to 250mL mark in a volumetric flask. 25 mL…

A: The titration  of MBr by AgNO3 is a double-displacement reaction, which is given by,…

Q: A 250 ml solution is prepared with 1.5 g KCI salt and a 50 ml sample is taken from it. Over 40 ml…

A:

Q: you are given 1.8 M acetic acid solution (CH3COOH) and solid sodium acetate trihydrate (NaOOCCH3 X 3…

A: The objective of the question is to calculate the  after adding .

Q: A solution contains 9.49x103 M copper(II) acetate and 1.48×102 M silver nitrate. Solid sodium…

A: The question is based on the concept of solubility product Principle.   it states that a weak…

Q: If a 0.100 M solution of NaOH is added to a solution containing 0.200 M Ni2+, 0.200 M Ce3+, and…

A: We have to predict which metal hydroxide will precipitate first.