A 0.4723-g sample of primary-standard-grade Na2CO3 required 34.78 mL of an H2SO4 solution to reach the end point in the reaction CO32- + 2H+ → H2O + CO2 (g) What is the molar concentration of the H2SO4?

Q: Based on the associated solubility chart, at what temperature would you need to heat a solution of…

A: 1- You can see the curve of NaNO3 between solubility of salt vs temperature. It is straight line…

Q: A 40.0 mL sample of 0.25 M KOH is added to 60.0 mL of 0.15 M Ba(OH)2. What is the molar…

A: From KOH , The balanced chemical equation involved = KOH ⇔ K+1 + OH-1Given in the question Molarity…

Q: The solubility product (Ksp) for Pb(OH)2 (s) is 2.5 x 10-16. What would be the quantity of…

A: Ksp = [Pb2+][OH-]

Q: A 59.5 mL sample of a 0.110 MM potassium sulfate solution is mixed with 39.0 mL of a 0.130 M…

A: First note the given balanced equation as shown below, K2SO4(aq)+Pb(C2H3O2)2(aq) →…

Q: The correct indicator was added to 25.00 mL of a 0.1350 M solution of butanoic acid (CH;(CH2)¿COOH)…

A:

Q: A suitable method for the determination of vitamin C (ascorbic acid, C6H3O6) is a titration with…

A: Ascorbic acid (vitamin C) is mainly found in fresh fruits such as lemon, orange, lime, peach,…

Q: A 55.0mL sample of 0.102M potassium sulfate solution is mixed with 35.0mL of a 0.114M lead(II)…

A: Given,Molarity of potassium sulfate solution = 0.102 M = 0.102 mol/LVolume of potassium sulfate…

Q: What mass (in g) of AgCl is formed from the double displacement reaction of 75.0 mL of a 0.075 M…

A:

Q: 25.0mL of a 0.515 M K2S solution is mixed with 30.0 mL of 0.833 M HNO3 acid solution to give the…

A:

Q: The solubility of magnesium fluoride, MGF2, in water is 1.5 x 10- g/L. What is the solubility (in…

A: Ksp is the solubility product constant, which explains the dissolution of a substance in an aqueous…

Q: Titration of 0.2342 g of pure Na,C,O, (134.0 g/mol) required 13.45 ml of KMNO, solution according to…

A: Number of moles = mass/molar mass  Molarity = number of moles/volume of solution (in L)

Q: To determine the amount of magnetite, Fe3O4 in an impure ore, a 1.5419 g sample is dissolved in…

A: The balance chemical equation can be given as below 2Fe3O4 → 3Fe2O3 The formula weight of Fe3O4 =…

Q: Consider a slightly soluble salt with a general form of MX(s) --> M*(aq) + X (aq). If its molar mass…

A: Given: Ksp of salt = 5.4 X 10-5  Molar mass of salt = 241 g/mol. And the solubility reaction is,…

Q: Calculate the molarity of a sol prepared by dissolving 110.0 mg of KMhO4(158 g/mol) in enough water…

A: Given that the weight of KMnO4(W)  = 110.0 mg = 110.0 x 10-3 grams volume if the solution(V) = 150.0…

Q: 6.) 200.0 mL of a 0.435 M Mg(NO3)2 solution was mixed 300.0 mL of 0.715 M NaOH solution. This…

A: Volume of Mg(NO3)2 = 200ml Concentration of Mg(NO3)2 = 0.435M Volume of NaOH = 300ml Concentration…

Q: Consider the following solubility data for acetanilide and aniline: Solubility per 100 mL water…

A: Given data :-

Q: What is the normality of a K,Cr20, solution prepared by dissolving 5.00 g of K2Cr20, in 200 mL of…

A: Given unbalanced equation is  Cr2O7 -2  +  SO3-2  →  Cr+3  + SO4-2  Balance the reaction 1 Cr2O7…

Q: Rei and Akari, two vinegar enthusiasts, are each tasked to determine the acetic acid content of…

A: Given: mass of KHP = 0.540 g Volume of KHP stock solution = 10.0 mL Volume of diluted KHP solution =…

Q: What mass of silver carbonate (MW = 275.75 g/mol) precipitates when 18.0 mL of 3.2M silver acetate…

A: Molarity = number of moles of solutevolume of the solution (in ml)×1000Number of moles of solute =…

Q: The company gave Phereseadula, who is an analyst, 5.00 L of H3PO4 and he was required to calculate…

A: Solution: Here H3PO4 is triprotic acid which is titrated again monobasic NaOH. So the titration…

Q: If 26.6 mLmL of AgNO3AgNO3 is needed to precipitate all the Cl−Cl− ions in a 0.755-mgmg sample of…

A: Given data contains, Volume of AgNO3 is 26.6 mL=0.0266 L. Mass of KCl=0.755 mg=0.000755 g

Q: Calculate the weight of pure sodium carbonate that is necessary to prepare 2.806  L of 0.223  N…

A: We need to find molarity of the solution . We assume molar mass of sodium-carbonate in 106 g/mol,…

Q: The solubility product (Ksp) for Pb(OH)2 (s) is 2.5 x 10-16. What would be the quantity of…

A: KSP = SOLUBILITY PRODUCT KSP =[ Pb ]+2 [OH]-2

Q: What volume of 0.10 moldm-3 sulphuric acid would be required to neutralise a mixture of 1.06 g of…

A: Recall the given reactions,H2SO4  +  2 NaOH  →  Na2SO4  +  2 H2OH2SO4  +  Na2CO3  →  Na2SO4  +…

Q: To determine the percentage of bromide in a mixture containing a soluble bromide salt, the procedure…

A: Given : Mass of filter paper = 1.3587 g Mass of sample taken = 0.7893 g And mass of filter paper…

Q: A sample of freshly precipitated and filtered silver chloride weighs 459.0 mg. If 1.00 % of the…

A: The chemical equation representing the decomposition reaction of silver chloride is shown below.

Q: A 0.3147-g sample of a primary-standard grade Na2C2O4 was dissolved in dilute H2SO4 and titrated…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: A solution was prepared by dissolving 435 mg of K3Fe(CN)6 in enough water to give 945 mL of…

A: As the question contains multiple sub-parts so only the first three are solved in this solution. If…

Q: .. We want to determine the purity of alum sample bought in a local pharmacy in Miagao. A Chem 28…

A: A numerical problem based on quantitative analysis, which is to be accomplished.

Q: 1,5419 g of magnetite (Fe3O4) ore; in concentrated HCL to form a mixture of Fe + 2 and Fe+3 it's…

A:

Q: a) In the gravimetric analysis the precipitate should be free from impurities. Give the detailed…

A: Gravimetric analysis is a quantitative analysis technique, in which the substance to determined…

Q: The aluminum in a 1.200g sample of impure ammonium aluminum sulfate was precipitated with aqueous…

A: Mass of Sample is 1.200 g. Mass of anhydrous Al2O3 is 0.2001 g. Calculation of no. of mol of…

Q: When a 8.000 g of mineral ore sample containing Sn(CO3)2 (238.7 g/mol) and other inert material was…

A: Given that,  8.000 g of a sample containing Sn(CO3)2 and other inert material was is treated with…

Q: What mass of precipitate is produced when 130.0 mL of 0.150 M Cu(NO3)2 is mixed with 150.0 mL of…

A: Precipitation reaction is a double displacement reaction in which two soluble salts reacts with each…

Q: 4. A 0.5501-g sample of primary-standard-grade Na2CO3 required 35.87 mL of H2SO4 solution to reach…

A: Given,  Mass of Na2CO3 = 0.5501 g  Volume of H2SO4 used = 35.87 mL  Reaction is :  CO32- + 2H+…

Q: Rei and Akari, two vinegar enthusiasts, are each tasked to determine the acetic acid content of…

A: Given: mass of KHP = 0.540 g Volume of KHP stock solution = 10.0 mL Volume of diluted KHP solution =…

Q: The solubility product expression for silver(1) sulfide, using x to represent the molar…

A: Solubility product is a constant value at a given temperature. It is represented by Ksp and it is…

Q: A sample of solid Eu(OH)3 was stirred in water at a certain temperature until the solution contained…

A: The concentration of hydroxide ion (OH-) in the solution is determined as follows.…

Q: What is the normality of a K2Cr20, (294.2 g/mol) solution prepared by dissolving 5.00 g of K2Cr207…

A: Normality = Molarity × Molar mass × [Equivalent mass]-1  ….(1) Balanced equation is K2Cr2O7 + 3H2SO3…

Q: Solution A was prepared by weighing 6.08 grams of K3Fe(CN)6 (MW 329.2 g/mol) and dissolving the…

A: Given the mass of K3Fe(CN)6 taken to prepare the solution-A = 6.08 g  Molar mass of K3Fe(CN)6 =…

Q: The solubility of magnesium flourish in water is 1.5*10-2 g/L. What is the solubility in grams per…

A:

Q: A quantitative analysis for ethanol, C2H6O, can be accomplished by a redox back titration. Ethanol…

A: When it comes to back titration, the stoichiometry between Cr2O72- and the analyte C2H6O and between…

Q: A chemistry student is doing a titration lab and needs to make up 2 liters of NaOH for the class and…

A: Titration is the method finding the strength of the unknown solution with the help of unknown…

Q: 59.5 mL sample of a 0.122 M potassium sulfate solution is mixed with 39.0 mL of a 0.128 M lead(II)…

A:

Q: A sample of solid Ca(OH)2 was stirred in water at a certain temperature until the solution contained…

A:

Q: The purity of a sample of sodium oxalate, Na2C2O4, is determined by titrating with a standard…

A: The balanced chemical equation has the number of atoms of the reactants is equal to the atoms count…

Q: If 26.2 mLmL of AgNO3AgNO3 is needed to precipitate all the Cl−Cl− ions in a 0.780-mgmg sample of…

A: Number of moles of KCl can be calculated as shown below:

Q: Balance the precipitation reaction by filling out the table below and writing the correct…

A: The equation for the given reaction is- Rb3PO4 (aq) + FeSO4 (aq)→Fe3(PO4)2 (?) + Rb2SO4 (?) This…

Q: B/28/2021 Measurement of Heat Flow & Enthalpy Change Show the total ionic and net ionic forms of the…

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

Q: if 25.0g of NaOH is added to 0.750L of 1.00M Cd(NO3)2 how many grams of Cd(OH)2 will be fromed in…

A: