Calculate the minimum amount of moles of cobalt (III) acetate required to completely react the sodium cyanide. 4. Calculate the mass, in grams, of the solid produced from the reaction.

Q: MGNH&PO4-6H2O has a solubility in water of 0.023 g/100mL. Suppose a student obtains 0.7193 g of…

A: Solution:- Given the solubility of MgNH4PO4.6H2O is 0.023 g/100 mL  Mass of precipitate = 0.7193 g…

Q: To adjust the permanganate solution prepared at approximate concentration, some Na2C2O4 salt was…

A:

Q: This series demonstrates the addition of 0.25 M solution of lead (II) nitrate (??(?? ) ) to 0.5 M…

A: 1. When aqueous solutions of lead(II) ion are treated with potassium chromate solution, we notice…

Q: 1. A gravimetrical analysis is done with an unknown sample containing AGNO3. A 1.5020-g solid…

A: 1. The chemical reaction taking place will be: AgNO3aq + NaCl3aq → AgCl(s) + NaNO3aq The given…

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…

Q: Will KClO4 precipitate when 20 mL of a 0.050-M solution of K+ is added to 80 mL of a 0.50-M solution…

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Q: A 60.5 mL sample of a 0.114 M potassium sulfate solution is mixed with 37.5 mL of a 0.116 M lead(II)…

A: In a chemical reaction reactant react to form the products. Theoretical yield is the amount of…

Q: Write down a balanced equation for this reaction.

A: We have to give the balanced equation for given  reaction. In chromium nitrate and potassium…

Q: what mass of iron (III) hydroxide percipitate can be produced by reacting 86.0 mL of 0.110M iron…

A: Reaction is given below:

Q: A 57.5 mL sample of a 0.122 M potassium sulfate solution is mixed with 39.0 mL of a 0.126 M lead(II)…

A: Molarity = number of moles of solute/volume of solution (in L)  So, moles = molarity × volume (in…

Q: Write a balanced equation for the double-replacement precipitation reaction described, using the…

A: Double displacement also known as metathesis reaction in which parts of two ionic compounds are…

Q: 325 mL of 0.100 M CaCl2 solution is treated with 0.150 M AgNO3 solution until precipitation is…

A:

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: Write a balanced equation for this reaction and include phases.  B. Write the net ionic equation.…

A: Balanced chemical reaction is             (NH4)2CrO4 (aq) + Pb(NO3)2 (aq) → 2NH4NO3 (aq) + PbCrO4…

Q: A sample is to be analyzed for its chloride content by precipitating and weighing silver chloride.…

A: Mass percent of a sample is given by the ratio of mass of individual substance to the mass of whole…

Q: van Donder, a technician at Mahlakaneng laboratory, is required to remove chromium from chromium…

A: We have reaction of  chromium (III) nitrate with potassium sulphide to give precipitate of chromium…

Q: You begin by mixing 200.0 mL of 0.750 M HCl with 100.0 mL of an unknown concentration of NaOH…

A: Balanced chemical Equation for the reaction in step 1 is, HCl + NaOH ———> NaCl + H2O   From…

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

A:

Q: An analyst is given 215 mL of a 0.781mol/L calcium perchlorate. How many mL of a 0.600M ammonium…

A:

Q: 300.0 mL of 0.375 mol/L AGNO3 is mixed with 250.0 mL of 1.20 mol/L NazCO3 a) Write the balanced…

A: Given, Volume of AgNO3 = 300 ml , Molarity of AgNO3 = 0.375 mol/L Volume of Na2CO3 = 250 ml ,…

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…

Q: Consider the following precipitation reaction: 2 AgNO3(aq) + MgCl2(aq) ---> 2 AgCl(s) +…

A: The given reaction is,          2 AgNO3(aq) + MgCl2(aq) --->  2 AgCl(s) + Mg(NO3)2(aq) Clearly,…

Q: 4. A student weighs out 1.245 grams of potassium hydrogen phthalate (molar mass 204.2 grams = 1…

A: 4). Given mass of potassium hydrogen Phthalate = 1.245 g Molar mass of potassium hydrogen Phthalate…

Q: 22.5 mL of 0.125 M aluminum chloride and 17.5 mL of 0.135 M lithium hydroxide are mixed.  How many…

A:

Q: A sample contains MgCl2 (95.211 g/mol) and KCl (74.551 g/mol). A 6.3674-g sample was dissolved in…

A: Precipitation refers to formation of product as solid mass that settles at the bottom. Such…

Q: Consider the reaction between ammonium dichromate and iron (III) acetate which occurs by the…

A: Molarity is the unit of concentration of a solution, and its unit is mol/L. It is defined by the…

Q: Calculate the mass (g) of MgCO3 precipitated by mixing 10.00 mL of a 0.200 M Na2CO3 solution with…

A: The chemical reaction between Na2CO3 and Mg(NO3)2 is shown below.

Q: 255 mL of a 0.180 M aqueous solution of silver (I) nitrate is mixed with 145 mL of a 0.120 M aqueous…

A: Balanced equation: 3AgNO3 (aq) + Na3(PO4)(aq) = Ag3(PO4) (s) + 3NaNO3 Number of mmols = Molarity x…

Q: van Donder, a technician at Mahlakaneng laboratory, is required to remove chromium from chromium…

A: The question is based on the concept of chemical equilibrium. we have to calculate concentration of…

Q: 25.0 mL of 0.5267 M potassium carbonate solution is reacted with 0.2348 M vanadium(III) nitrate…

A:

Q: Silver iodide is a photosensitive material used in photography. One method of forming silver iodide…

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

Q: Write the net ionic equation for the precipitation reaction that occurs when aqueous magnesium…

A:

Q: Give all answers online to 3 significant figures.   115.0 mL of 0.175 M KOH is mixed with 175.0 mL…

A: GivenMolarity of KOH = 0.175 MVolume of KOH = 115.0 mL = 0.115 LMoles of KOH = Molarity of KOH *…

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

A: Answer: 146

Q: Using dimensional analysis, solve the following. How many grams of PbCl2 will precipitate when…

A: The amount of PbCl2 will precipitate is to be calculated

Q: A sample of 3.0600 grams contains a mixture of sodium carbonate and calcium carbonate. This sample…

A: a) Na2CO3 + 2 HCl = NaCl2 + CO2 +H2O CaCO3 +2HCl = CaCl2 +CO2 + H2O 2Na+(aq)+ Ca2+(aq)+2 CO32-(aq)+…

Q: Which of the statements about precipitation reaction is correct? It is a method that can be used…

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

Q: A sample of 0.5220 g of an ionic compound containing the bromide ion (Br-) is dissolved in water and…

A: First, calculate the moles of AgBr from the given mass as: Molar mass of AgBr = 107.8682 g/mol +…

Q: A sample contains MgCl2 (95.211 g/mol) and KCl (74.551 g/mol). A 6.3674-g sample was dissolved in…

A: Molar mass of MgCl2 = 95.211 gmol Molar mass of KCl = 74.551 gmol Mass of sample = 6.3674 g Volume…

Q: Explain in four ways what happens when 25 mL of unknown AgNO3 in an Erlenmeyer flask is added with…

A:

Q: Use the References to access impertant values if needed for this question. In the laboratory you are…

A: Each metal ion (besides the Group I metal ions) is insoluble if paired with the right anion.…

Q: Barium can be analyzed by precipitating it as BaSO4BaSO4 and weighing the precipitate. When a  0.265…

A:

Q: The concentration of a certain sodium hydroxide solution was determined by using the solution to…

A:

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: If 25 mL of a 0.10 M solution of sodium sulfate solution is added to 40. mL of a 0.20 M lead (II)…

A: Given : concentration of Na2SO4 i.e sodium sulfate = 0.1 M volume of Na2SO4 solution = 25 mL = 0.025…

Q: Calculate the mass of MgCO3 precipitated by mixing 10.00 mL of a 0.200 M Na2CO3 solution with 5.00…

A: Given: Volume of Na2CO3     = 10.00 mL Molarity of Na2CO3    = 0.200 M Volume of Mg(NO3)2  = 5.00 mL…

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 =…

Q: 0.6113 g sample of Dow metal, containing aluminum, magnesium, and other metals, was dissolved and…

A: Mass of sample = 0.6113 g Mass of mixture of Al(C9H6NO)3 and Mg(C9H6NO)2 = 7.8154 g Mass of mixture…