2.00 g of aluminum solid is added to a 100.0 mL of 2.5 M aqueous solution of hydrobromic acid. Write the oxidation number of each element and circle the species that got reduced

Q: A 9.44 g sample of an aqueous solution of hydrobromic acid contains an unknown amount of the acid.…

A: Given that : The mass of the sample = 9.44 g The volume of barium hydroxide = 29.4 mL The molarity…

Q: In a titration, suppose 20.00 mL of 0.275 M oxalic acid solution required 21.72 mL of NaOH solution…

A: H2C2O4(aq) + 2NaOH(aq) -------> Na2C2O4(aq) +2H2O(l)

Q: 69.0 mL of 0.250 M LiCl is added to a 1.000 L volumetric flask and the flask is filled with water.…

A: The dilution formula is as follows:  MiVi = MfVf

Q: A 30.0ml sample of lithium hydroxide was mixed with 25.0 ml of a 0.250M solution of calcium…

A:

Q: when the 35.0ml of KOH(2.0M) was added to the aluminum sample (1.430g), the student spilled some of…

A:

Q: 46. 53 mL of sulfuric acid solution is needed to reach the end point if 0.5126-g sample of sodium…

A: Titration is a laboratory quantitative technique in chemistry used to determine the concentration of…

Q: 79.0 mL of 0.250 M LiCl is added to a 1.000 L volumetric flask and the flask is filled with water.…

A:

Q: How many grams of copper (II) oxide can be reduced to copper metal with 10.0 liters ofH2? CuO(s) + ,…

A:

Q: 65.0 mL of 0.250 M LiCl is added to a 1.000 L volumetric flask and the flask is filled with water.…

A:

Q: You have a job as a summer intern in a bleach processing plant. Part of your job is to determine the…

A:

Q: A 100.0 mL sample of seawater was tested by adding one drop (0.2 mL) of 0.20 M silver nitrate. What…

A: Given : Concentration of silver nitrate i.e AgNO3 = 0.20 M And volume of AgNO3 added = 0.2 mL = 2.0…

Q: The iodine contained in every 1 mL of the 0.010 M iodine solution in the buret will react with 1.76…

A: Given, Every 1 mL of iodine solution reacts with ------- 1.76mg of ascorbic acid /Vitamin C. 7.11mL…

Q: For the questions, assume that you start with 0.421 g of copper turnings: Calculate the minimum…

A: Given: 0.421 g of copper turnings Molarity of HNO3 = 16.0 M Molarity of NaOH = 4.00 M  To find :…

Q: You and your groupmates are assigned to prepare the solutions for the next laboratory activity. Your…

A: Molarity = mol / L  Thus M = mol/ L  In per L of solution, 1 mol of solute is present.

Q: A 25.00 mL sample of 0.125 M sulfuric acid solution is titrated with 0.500 M sodium hydroxide…

A: Neutralization Reactions: It can be defined by saying that, a chemical reaction in which acid and a…

Q: solution

A: Dear student I have given answer to your question in the image format.

Q: To a flask, 15.0 mL of 1.25 M hydrofluoric acid is added. Then, 3.05 M NaOH is used to titrate the…

A:

Q: 10.00 mL of a solution of NaOH was titrated with with 0.09546 M KHP solution. At the equivalence…

A:

Q: 0.5366 g of an KHP sample of unknown purity was massed. The sample was dissolved in approximately…

A: The reaction between NaOH and KHP can be shown as,

Q: 6. Calculate the percent yield when 0.631 g of precipitate is collected from the reaction of 35.0 mL…

A:

Q: A standard solution of NaOH was prepared by dissolving 12.5g of NaOH in enough water to give a total…

A: We know for a neutralization reaction V1* S1 = V2 * S2 Where V1 = Volume of the base required S1=…

Q: 10.0 mL of 1.15 M chlorous acid is added to 1.00 L of water. Determine the new concentration of…

A: According to the law of dilution, we can write: CiVi=CfVf ................... (1) where Ci and Cf…

Q: A 1.345 g sample of solid residue from a hazardous waste dump is being analyzed for barium. The…

A: A particular sample contains various types of compound .That can be estimated .

Q: 10.Use the data in Table 1 to answer the following Table 1: Titration Data Volume of magnesium…

A:

Q: The titration below was performed by placing 10.00 mL solution in an Erlenmeyer flask and titrating…

A: The given volume of the basic solution present in the Erlenmeyer flask (V1) = 10.00 ml Molarity of…

Q: A 500.00-mg sample containing oxalate was dissolved in 25.00 mL of 1.00-M NAOH. This sample is…

A: Given: Solution is basic due to the presence of NaOH. And the reaction is between oxalate and KMnO4.…

Q: Determine the Ecetu values for the following (Chang, 2010) a. Zn(s) | Zn* (aq) || Fe* (aq), Fe2*(aq)…

A: Standard data: E°(Zn+2|Zn) = -0.76 V E°(Fe+3|Fe+2) = 0.77 V

Q: 0.1061 g of dissolved oxalic acid dihydrate (molecular weight = 126.064 g/mole) is reacted with 20.0…

A:

Q: In a titration of KOH, 0.0725 g of KHP is weighed into a flask and dissolved in deionized water. The…

A: Molar mass of KHP is 204.22 g/mol. Calculation of no. of mol of KHP: Since KHP is a monoprotic…

Q: 1. Zinc metal reacts with aqueous hydrochloric acid to produce zinc(II) chloride and hydrogen gas.…

A: Since you have posted a question with multiple sub parts, we are entitiled to answer only first 3…

Q: 4. In a titration of KOH solution, 0.0742 g of KHP is weighed into a flask and dissolved in…

A:

Q: Phosphoric acid (H3PO4) is a triprotic acid with three ionizable protons. Write a balance equation…

A:

Q: A quantity of 16.68 mL of a KOH solution is needed to neutralize 0.5458 g of KHP. What is the…

A: Given  Volume of KOH  = 16.68 mL                            = 16.68 × 10-3 Liter          ( 1 mL =…

Q: The titration of 25.00 mL of a sulfuric acid solution of unknown concentration requires 31.22 mL of…

A: Given, the titration between NaOH and sulfuric acid.Concentration of NaOH solution =0.1234 Mvolume…