van Donder, a technician at Mahlakaneng laboratory, is required to remove chromium from chromium nitrate. He added 150.00 mL of 1.75 M chromium (III) nitrate to 70.00 mL of 1.41 M potassium sulphide, resulting in a precipitate of chromium (III) sulphide. Calculate the concentration of chromium (III) ion in the solution after the reaction is completed.

Q: A mysterious white powder is found at a crime scene. A simple chemical analysis concludes that the…

A: Since it is reaching equivalence point means that all the weak base (morphine ) has reacted with the…

Q: An aqueous solution of Pb(NO3)2 was mixed with an aqueous solution of MgCl2, resulting in the…

A:

Q: 1) balance the following chemical equation for the reaction of hypothetical elements X, Y, and Z.…

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

Q: Calculate the theoretical yield of strontium sulfate when 525 mL of 1.199 M sulfuric acid is added…

A: Given, Molarity of sulfuric acid solution = 1.199 M = 1.199 mol/L Volume of sulfuric acid solution =…

Q: What kind of reaction is this if it is. Precipitate write down the formula if you said acid-base…

A: The balanced reaction for titration of iron ore with potassium permanganate is given as,

Q: For each of the following reactions, write a balanced equation showing all states of matter. Then…

A: The chemical equation which contain only those ions which actually cause the chemical reaction to…

Q: A sample of an iron ore is dissolved in acid, and the iron is converted to Fe2+. The sample is then…

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

Q: In the laboratory you are given the task of separating Pb²* and Fe2* ions in aqueous solution.

A:

Q: The amount of calcium carbonate with MM:100.1 g/mol in the ore dolomite can be determined by…

A: Hello. Since the question contains more than three sub-parts, the first three subparts shall be only…

Q: What ions are prevented by Magnesium from precipitating? Cobalt Chromium Iron Aluminum

A: Hii there, As there are multiple question posted. we are answering first question. If you need…

Q: An 8.65-g sample of an unknown group 2A metal hydroxide is dissolved in 85.0 mL of water. An…

A: The point where equivalent quantities are brought together is called equivalence point. The reaction…

Q: What mass of titanium (IV) hydroxide could be reacted by 50.00 ml of 0.111 M sulfuric acid?

A:

Q: What is the net ionic equation for the reaction of aqueous sodium carbonate with aqueous iron(III)…

A:

Q: Which of the following reactions, all carried out in water, forms an insoluble salt as a product? A)…

A: 1)  A) HNO3 with ammonia in aqueous solutions :      NH4NO3 is water soluble salt hence no…

Q: The mass percentage of chloride ion in a 25.00-mL sample of seawater was determined by titrating the…

A: The balanced reaction for the formation of silver chloride precipitate from silver nitrate can be…

Q: How to solve number 26?

A: Given information:Mass of aluminium sulphate = 2.76 gVolume of solution = 125 mLVolume of sodium…

Q: In the laboratory you are given the task of separating Pb²+ and Cu2+ ions in aqueous solution. For…

A: Given,

Q: What mass of Fe(OH)3 would be produced by reacting 75.0 mL of a 0.0734 M Fe(NO3)3 solution with 125…

A: Given: Concentration (molarity) of  Fe(NO3)3 = 0.0734 M Volume of Fe(NO3)3 = 75.0 mL Concentration…

Q: In the laboratory you are given the task of separating Pb2+ and Ag+ ions in aqueous solution.   For…

A:

Q: One way to determine the concentration of hypochlorite ions (ClO–) in solution is by first reacting…

A: Titration based on redox reaction between the analyte and titrant is known as redox titration.

Q: 4) A 50 mL sample taken from a vinegar sample was diluted to 500 mL with distilled water. The 25.0…

A:

Q: What mass of solid potassium oxalate (K2C2O4), when dissolved in an acidic solution, would be…

A:

Q: A sample of an iron ore is dissolved in acid, and the iron is converted to Fe2+. The sample is then…

A: (a) Given, volume of MnO4- = 47.20 mL Molarity = 0.00240 mol/L So, Number of moles of…

Q: A student was given a 3.708-g sample of a mixture of potassium nitrate and potassium bromide and was…

A: Given ; Mass of sample = 3.708 g Mass of AgBr precipitate formed = 2.957 g And the sample contains…

Q: Write the balanced COMPLETE ionic equation for the reaction when aluminum nitrate and sodium…

A: aluminium nitrate  Al(NO3)2 Sodium hydroxide  NaOH When Al(NO3)2 react with NaOH then a solid…

Q: The solubility of magnesium hydroxide, Mg(OH)2, in water is 9.0 × 10–4 g/100 mL. What volume of…

A:

Q: In the laboratory you are given the task of separating Ba2+ and Co2* ions in aqueous solution. For…

A: For the reagents listed below we categorized as whether it will form precipitate or not and if so it…

Q: Will precipitate occur when the following solutions are mixed? If so, write a balanced chemical…

A: On mixing of solutions Na2CO3 and AgNO3 the precipitation will occur due to formation of insoluble…

Q: Ammonia (NH3, MM 17.031 g/mol) and hypobromite (OBr) react according to the following chemical…

A:

Q: When a sample (0.6271 g) of impure magnesium chloride (MgCl2, MM = 95.211) was dissolved in water…

A: The reaction in which a precipitate is formed in the product is known as precipitation reaction.

Q: In the laboratory you are given the task of separating Ag+ and Co2+ ions in aqueous solution. For…

A: Here we are required to find to separate two cation Ag+ and Co2+ using various reagent

Q: net ionic equation

A:

Q: Write a balanced chemical equation based on the following description: When a solution of…

A:

Q: A solution with a total volume of 1000.0 mL contains 37.1 g Mg(NO3)2. If you remove 20.0 mL of this…

A: Given : mass of magnesium nitrate = 37.1 g Volume of solution = 1000 mL

Q: A student wishes to determine the mass percentage  of barium in a 2.016g sample. The student…

A:

Q: A student weighs out a 5.01 g sample of FeCl2, transfers it to a 250. mL volumetric flask, adds…

A: Given :-  Mass of FeCl2 = 5.01 g  Volume of solution = 250. mL  To calculate :-  Molarity of…

Q: The data ( Concentration HCl =0.35 M, Volume HCl=24.35 mL, Volume NaOH=36.44 mL) refers to a…

A: Given Concentration HCl =0.35 M Volume HCl=24.35 mL Volume NaOH=36.44 mL

Q: A chemist went on a trip to Zambales to obtain a sample of chalcocite (copper (I) sulfide), one of…

A: Metallic copper is heated in a hot plate and a different oxide of copper is formed. Here, we have to…

Q: A 35 mL of a Na3PO4 aqueous solution and 35 mL of a BaCl2 aqueous solution were combined to form…

A: 35 mL of Na3PO4 solution reacts with 35 mL of BaCl2 solution to produce 0.520 g of Ba3(PO4)2 .…

Q: Describe a chemical method each for the preparation of the sols of sulphur and platinum in water.

A: Given: Sols of sulphur Platinum in water

Q: After 1,600 grams of an aluminum sulphate sample is dissolved in water, aluminum is precipitated in…

A:

Q: Write the complete, balanced reaction that occurs when manganese (II) nitrate is mixed with sodium…

A:

Q: In the laboratory you are given the task of separating Pb2+ and Ca2+ ions in aqueous solution. For…

A:

Q: Write the net ionic equation for the precipitation reaction thatoccurs when aqueous solutions of…

A: Step 1:  Write the balanced molecular equation Step 2:  Write the states of all the reactant and…

Q: In the laboratory you are given the task of separating Cat and Ag* ions in aqueous solution. For…

A: A precipitation reaction is the reaction with the formation of an insoluble salt when two soluble…

Q: In the laboratory you are given the task of separating Ca2+ and Ag* ions in aqueous solution. For…

A: When  Ca2+ and Ag+ ions Present in the Solution, then using different type of reagents we can…

Q: A. Write a net ionic equation for the reaction that occurs when excess nitric acid (aq) and…

A: A) The reactants given are nitric acid (aq) i.e. HNO3 (aq) and copper (II) carbonate i.e. CuCO3 (s).…

Q: Write the balanced COMPLETE ionic equation for the reaction when aluminum nitrate and sodium…

A: The net ionic equation shows only the chemical species that are involved in a reaction, while the…