By pipet, 15.00ml of the stock solution of potassium permanganate (KMn04) that was prepared by dissolving 13.0g KMn04 with DI H20 in a 100.00ml volumetric flask, diluting to the calibration mark was then transferred to a 50.00ml volumetric flask and diluted to the calibration mark. Determine the molarity of the resulting solution.

Q: The reaction between lead(II) nitrate and potassium iodide solution is shown below   Pb(NO3)2(aq)…

A: Given data,Molarity of Pb(NO3)2=4.00mol/dm3Volume of Pb(NO3)2=5.00cm3=0.005dm3Molarity of…

Q: What mass of the CuCl₂·2H₂O (170.48 g/mol) should be weighed in order to prepare the 250.0 mL Cu(II)…

A:

Q: A researcher wants to determine the concentration of beta-carotene in carrots. She obtains a 0.554 M…

A: To find the concentration of beta-carotene in each dilution, we'll first need to calculate the…

Q: brine water collected from a reverse osmosis desalination plant. The collected water sample was…

A:

Q: Calculate the molarity (M) of an HCl solution prepared by adding 2.50 mL of 12.0 M HCl (concentrated…

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: A stock solution of potassium permanganate (KMNO4) was prepared by dissolving 10.0 g KMNO4 with DI…

A: To solve this problem we will first calculate the number of moles of KMnO4   Then Molarity will be…

Q: In an experiment, 0.500 grams of sodium bicarbonate were added to an evaporating dish and an excess…

A: Number of moles of a chemical compound is the term used to express the amount of the compound in a…

Q: Exercises ough solution through the tip The top of the solution should Balance each chemical…

A:

Q: By pipet, 19.00 mL  of a 0.823 M stock solution of potassium permanganate (KMnO4) was transferred to…

A: Solutions comprising a definite solute always follows a generalized expression known as "molarity…

Q: To determine, by gravimetric analysis, the concentration of barium ions (Ba2") in a given solution,…

A: Molar mass of barium sulphate= 233.38g/mol  Moles of barium sulfate= 1.167/233.38…

Q: Solution BII. Calculate the volume of ~0.00100 M KMnO4 (Solution BI) needed to prepare 25.00 mL of ~…

A:

Q: 31.  10.0 mL. of concentrated of H3PO4(aq) is diluted to the final volume of 250.0 mL.  Then 15.0…

A: Given that : The initial volume of H3PO4 = 10.0 mL The final volume of H3PO4 = 250.0 mL Molarity of…

Q: In one trial determination of the concentration of NaOCl in the diluted bleach sample, 10.00 mL of…

A: Given: The volume of NaOCl = 10 mL The volume of Na2S2O3 = 29.82 mL Molarity of Na2S2O3 = 0.0195 M

Q: An aqueous potassium iodate stock solution is made by dissolving 5.49 mol KIO, in sufficient water…

A:

Q: A student was asked to prepare a 1:25 dilution of 0.6 M solution of glucose. This dilution required…

A: If the volume of the water changes then if affects the concentration directly.  hence the…

Q: Calculate the number of mmoles of the excess reactant remaining in solution when mixing 125.6 mL of…

A:

Q: By pipet, 10.00 mL  of a 0.823 M stock solution of potassium permanganate (KMnO4) was transferred to…

A:

Q: A 13.00 mL sample of sulfuric acid is diluted to 40.00 mL. A 10.00 mL aliquot is titrated to a…

A: Titration is one of the most common methods of qualitative analysis of substances given. It is done…

Q: 25 mL of a 100 mM zinc hydroxide were added to a beaker containing 4 mL of 1M hydrochloric acid…

A: Calculate the number of moles of zinc hydroxide. Number of moles = Concentration (M) × Volume…

Q: In one trial determination of the concentration of NaOCl in the diluted bleach sample, 10.00 mL of…

A: The reaction taking place is,

Q: Chemical XYZ is comprised of 0.020 mol of iron(II) sulfate. It requires 22.5 mL of potassium…

A: Balanced equation for the given reaction is:                                         5Fe2+ + MnO4- +…

Q: The reaction between lead(II) nitrate and potassium iodide solution is shown below   Pb(NO3)2(aq)…

A: Given : Volume of  lead(II) nitrate =  5.00 cm3 Molarity of lead(II) nitrate = 4.00 mol dm–3  Volume…

Q: A 1.407 g sample of canned tuna was analyzed by the Kjeldahl method. The liberated NH3 required…

A:

Q: The following steps were used to determine the concentration of acetic acid in vinegar. 1. Sodium…

A:

Q: A researcher wants to determine the concentration of beta-carotene in carrots. She obtains a 0.554 M…

A:

Q: A researcher wants to determine the concentration of beta-carotene in carrots. She obtains a 0.558 M…

A: The objective of this question is to calculate the concentration of beta-carotene in Dilution C,…

Q: A standard solution of 131 ppm Yellow 6 dye was prepared. A 12.6 mL aliquot of the stock Yellow 6…

A:

Q: A stock solution of potassium permanganate (KMnO4) was prepared by dissolving 20.8 g  KMnO4 with DI…

A:

Q: A 45.40% ferric oxide needed 0.7519 gram of an impure sample of iron ore. The analyte then required…

A:

Q: In Analytical Chemistry, we are conducting an Absorbance Lab using CuSO4 . 5H2O . In the lab we are…

A: The molarity of the solution is already given. So we don't need to calculate the molecular weight.…

Q: Aqueous solutions of 16.7% by mass hydrogen peroxide, H202 (molar mass =34.016 g mol1) are used to…

A: Given that: Mass percent of H2O2 = 16.7% Density of solution = 1.06 g/mL

Q: mass (in g) of 90%-pure CuSO4 to prepare 1L of 0.5 M CU^2+ solution

A: Molarity is the number of moles per litre of the solution. Mass concentration tells you about the…

Q: A chemist must dilute 94.7 mL of 2.74 M aqueous barium acetate (Ba (C2H3O2)2) by adding distilled…

A: M1V1  = M2V2 M1  -  Initial molarityV1 - Initial volumeM2 - Final molarityV2 - Final volume

Q: A student forgets to weigh a mix ture Of sodium bromide dihydrate and magnesium bromide hexahydrate.…

A: Given data, Mass of H2O looses on heating =252.1 mg  Moles of AgBr formed = 6.00×10-3 mol

Q: You are standardizing a solution of KOH. You weigh out 2.34 g of potassium hydrogen phthalate,…

A:

Q: (1) To analyze the concentration of chloroform precursors, or natural organic matter, in a drinking…

A: The ions or the elements present in the given sample can be detected using different instruments and…

Q: 12.) A 2.00g sample of limestone was dissolved in hydrochloric acid and all the calcium present in…

A: Mass of sample of limestone = 2.00 g  Mass of precipited , CaC2O4 = 2.43 g    Ammonium oxalate is…

Q: How to prepare these solutions?   250.0 mL 0.125 M stock Na2S2O3 solution from Na2S2O3·5H2O crystals…

A:

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".