If the barium sulfate precipitate is not dried thoroughly, will the experimentally determined concentration be higher or lower than the true value? Concisely explain based on how the molarity is calculated.

Q: 125 mL of 0.315 mol/L sodium carbonate and 75.0 mL of 0.155 mol/L silver nitrate are mixed.  What is…

A: Molarity is defined as the number of moles of solute present in 1 L of the solution. M=nVn=M×V

Q: Would a precipitate form if 250.0 mL of a 4.00x10^6 M Zinc nitrate solution was mixed with 400.0 mL…

A: Molarity is a measure of concentration, the expression for molarity is Molarity=Number of…

Q: 2. Suggest a reason why it is desirable to use an excess of barium ion in the precipitation.

A: The question is based on the concept of analytical chemistry. we have to mention the need of excess…

Q: How many moles of Cl ions must be added to precipitate all of the silver ions present in 50.0 mL of…

A: Volume of AgNO3 = 50 mL = 0.050 L Molarity of AgNO3 = 0.100 M = 0.100 mol L -1

Q: [Review Topics] [References] Use the References to access important values if needed for this…

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

Q: A titration requires an indicator molecule or substance. O True O False

A: Given statement is : "A titration requires an indicator molecule or substance". Is the given…

Q: A solution contains 8.86x10-3 M ammonium carbonate and 5.11x10-3 M sodium fluoride. Solid lead…

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Q: Will calcium fluoride precipitate when 175 mL of a 4.78 x 10-3 M solution of Ca(NO3)2 is added to…

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Q: ake was given an unknown solution thought to contain Pb²⁺ and/or Ba²⁺ and asked to perform chemical…

A: Jake concluded that the white precipitate formed in the solution after the addition of sulphate ions…

Q: 411.5 mL of 0.365 mol / L NH4OH reacts with 652.0 mL of 0.715 mol / L Fe(NO3)3. Determine the mass…

A: There are equivalent concept is used

Q: Standard Sodium Chloride Weighed mass of NaCl Purity of NaCl Molar concentration of NaCl using…

A: Molar concentration of NaCl :M = ​(m × p)/ ( V × Mw )​ where M is molarity, m is mass, p is purity,…

Q: 1- A solution contains 6.14x10-³ M potassium iodide and 1.05x10-2 M ammonium cyanide. Solid silver…

A: “Since you have posted multiple questions, we will provide the solution  only to the first question…

Q: Consider a 0.238 M aqueous solution of sodium hydroxide, NaOH. How many grams of NaOH are dissolved…

A: Since,             Number of moles = Concentration × Volume

Q: The addition of hydrochloric acid to the solution of containing silver group of cations is to…

A: Silver(Ag+), lead(Pb2+) and mercury(Hg22+) are grouped together and are called group 1…

Q: A 185.0 mL sample of 1.200 M Pb(NO₃)₂ is mixed with 99.50 mL of 1.500 M NaCl, and the PbCl₂…

A: The balanced chemical equation for the precipitation of lead (II) chloride can be written as:…

Q: 11. Calculate the mass of NaCl that will just start to form a precipitate when added to 800 mL of…

A: Lead(II) ions of Lead(II) nitrate reacts with chloride ion of NaCl to form a PbCl2 precipitate.…

Q: A solution contains 0.10 M potassium cyanide and 0.10 M sodium chloride. Solid silver nitrate is…

A: Substance that precipitates first in this case can be determined by applying the concept of…

Q: What concentration of chloride must be achieved in an unknown solution with an initial concentration…

A:

Q: 4. You have run a series of titrations to determine the unknown concentration of KHP in a solid…

A: Given the sample concentrations: 46.14%, 45.69%, 40.15%, 45.55%, 46.07%, 45.98% We need to analyse…

Q: Predicting the qualitative acid-base properties of salts Consider the following data on some weak…

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Q: An impure sample of potassium hydrogen phthalate (KHP) was titrated to determine the percent…

A: We will use stoichiometry of the reaction to get the answer.

Q: A solution contains 1.05x102 M zinc acetate and 1.04x102 M nickel(II) nitrate. Solid sodium cyanide…

A:

Q: 125 mL of 0.125 M NaOH aqueous solution and 10.0 mL Choose... of 0.0500 M AGNO3 aqueous solution…

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Q: 2. Use the following information (and the provided solubility chart) to answer the below questions.…

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Q: Why are aqueous titrations not suitable for pharmaceutical analysis? use your own words to explain

A: Titration is an analytical method for the quantitative determination of an analyte by adding of…

Q: Write the formulas for the precipitate when an excess of NH4OH is mix with thioacetamide and a…

A: The cations, such as Fe2+, Cr3+, Mn2+, and Zn2+, precipitate as sulfide and hydroxide when excess…

Q: Solid silver fluoride is slowly added to 50.0 mL of a 0.252 M sodium sulfide solution until the…

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Q: True or False

A: (1) Precipitimetry involves the use of Silver chloride as the titrant. Hence the other of this…

Q: How many precipitates will form if 25 mL of 7.5 x 102 M magnesium sulphate is mixed with 0.044 L of…

A: The reaction can be given as- MgSO4(aq)+Sr(OH)2(aq)→Mg(OH)2(s)+SrSO4(aq) The given values are-…

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: Use the References to access important values if needed for this question. When 15.0 mL of a…

A:

Q: How many grams of silver chromate will precipitate when 12.75 g of silver nitrate are added to…

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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: lawn fertilizer usually contained water soluble ammonium sulfate. the amount of sulfate in lawn…

A: Amount of BaSO4 produced = 1.756 g  Amount of sample = 1.020 g

Q: A 185.0 mL sample of 1.200 M Pb(NO3)2 is mixed with 123.50 mL of 1.500 M NaCI, and the PbCl2…

A: Molarity of Pb(NO3)2 = 1.200 M  Volume of of Pb(NO3)2 =  185.0 mL = ( 185.0 / 1000 ) L = 0.185 L…