A technician is required to remove chromium from chromium nitrate. He added 40.00 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. 1.1 Write down a balanced equation for this reaction.  1.2 Calculate the concentration of chromium (III) ion in the solution after the reaction is completed.  1.3 What is the concertation of the nitrate ion in the final solution?

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A: Given, H2C2O4 + 2NaOH ➝ Na2C2O4 + 2H2O mass of H2C2O4.2H2O = 1.18 g molar mass of H2C2O4.2H2O =…

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

Q: A solution of excess aluminum nitrate is reacted with 400 mL of 0.25 mol/L sodium hydroxide. a)…

A: Chemical formula of aluminum nitrate is Al(NO3)3 and chemical formula of sodium hydroxide is NaOH.…

Q: What products will be produced by the acid/base neutralization reaction between sulfuric acid…

A:

Q: If 0.326 g of aluminum chloride dissolved in water and the whole solution was reacted with excess…

A: Part a)  The reaction for  the given statement is: AlCl3(aq)  + 3AgNO3(s) →3AgCl (s)+…

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Q: Solid silver can be produced by reacting silver (I) nitrate with copper according to the reaction…

A: Given chemical equation:  Cu(s) + 2AgNO3(aq) ----> Cu(NO3)2(aq) +2Ag(s) Limiting reagent is the…

Q: Hard water often contains dissolved Ca2+Ca2+ and Mg2+Mg2+ ions. One way to soften water is to add…

A: Given: Concentration of CaCl2 =  5.5 ×10−2 M The concentration of Mg (NO3)2= 9.0×10−2 M The volume…

Q: 8.00 g of white phosphorous burned in excess oxygen. The reaction product was dissolved in…

A: Chemical equation is the representation of a chemical reaction in the form of symbols and formulae…

Q: A chemist adds 75 mL of 0.20 M of barium chloride solution to a 60. mL of 0.22 M sodium sulfate…

A: A. When BaCl2(aq) reacts with Na2SO4(aq) then BaSO4(s) is precipitated as white solid alongwith…

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Q: A 13.82 gram sample of commercial vinegar being shipped to your salad dressing manufacturing plant…

A: From given datas  Initially we are calculating % of acid (in vinegar) and from that actual value we…

Q: When 25 mL of 0.800 M Ca(NO3)2 is added to 75.0 mL of 0.600 M NaF, CaF2 precipitates. What is the…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: Magnesium hydroxide is a common active ingredient in antacids. Kaelyn is testing commercials…

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Q: An aqueous solution of sodium hydroxide is standardized by titration with a 0.128 M solution of…

A: Concentration of hydroiodic acid=0.128M Volume of base =13.3 mL Volume of acid =15.6 mL

Q: A solution of 300.0 mL of 0.150 M Nickel (II) sulfate is mixed with a solution of 100.0 mL of 0.200…

A: Balanced chemical equation is necessary so as to abide by the law of conservation of mass and to…

Q: 3) A company needs to verify the amount of nitrogen in their new "QuikGreen" fertilizer product. To…

A:

Q: In the laboratory a student combines 29.1 mL of a 0.171 M silver acetate solution with 21.7 mL of a…

A: Given: Concentration of silver acetate i.e. CH3COOAg = 0.171 M Volume of CH3COOAg solution = 29.1 mL…

Q: when you mix osmium (III) nitrate solution and rubidium suulfide solution a precipitation Teae…

A: (a) The chemical formulae are, Osmium (III) nitrate - Os(NO3)3  Rubidium sulfide - Rb2S Molar mass…

Q: A solution of 300.0 mL of 0.150 M Nickel (II) sulfate is mixed with a solution of 100.0 mL of 0.200…

A:

Q: Sodium hydrogen carbonate (NaHCO,, also known as sodium bicarbonate or "baking soda", can be used to…

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A:

Q: Potassium acid phthalate, KHC8H4O4, or KHP, is used in many laboratories, including general…

A:

Q: 3) A company needs to verify the amount of nitrogen in their new "QuikGreen" fertilizer product. To…

A: Moles HCl = 0.989 M x .05 L = 0.05 moles Moles of NaOH = 0.250 M x (11.74 /1000) L = 0.003 Moles…

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Q: When sodium oxalate reacts in solution with lanthanum (III) chloride, lanthanum (III) oxalate is…

A: This is the question of stoichiometric calculation

Q: Write the net ionic equation

A:

Q: 6. A sample of hydrochloric acid is standardized using sodium bicarbonate. Write the balanced…

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A:

Q: Complete the table below by deciding whether a precipitate forms w aqueous solutions A and B are…

A: Given : We have to tell that precipitate will form or not.

Q: For the synthesis of hexaaminnikel (II) chloride, 1.75 g of nickel (II) chloride hexahydrate is…

A:

Q: Aqueous chromium (III) sulfate reacts with aqueous sodium hydroxide to form a precipitate of…

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

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Q: we can precipitate out solid lead (II) iodide from an aqueous lead (II) nitrate solution by adding…

A: Answer: 146

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

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A:

Q: Does a reaction occur when aqueous solutions of ammonium sulfate and chromium(III) acetate are…

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Q: 3) A company needs to verify the amount of nitrogen in their new "QuikGreen" fertilizer product. To…

A: Answer :- Moles of HCL before titration when NH3 is dissolved in it :- Moles HCl = 0.989 M x .05 L =…

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Q: 10. A solution of 0.26 M lead (II) nitrate and a solution containing an unknown concentration of…

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Precipitation Titration

Precipitation analysis is used to analyze drugs, and to measure the salt content in food and beverages. It is an important concept from the examination point of view many practical questions are asked on the topic. This topic is significant in the professional exams for both undergraduate and graduate courses, especially for