Molarity: 0.148 M Na2S2O3 Data for Unknown Sample Trial 1 Trial 2 Mass of Sample 0.081       g 0.083       g Volume of Na2S2O3 ----------------- ------------------- Final Buret Reading 0.78         mL 0.84         mL Initial Buret Reading 0.07         mL 0.10          mL Net Volume of Na2S2O3 _____mL ______mL Calculation of Percentage NaOCl -------------- ------------- Moles of Na2S2O3 used _______mol _______mol Moles of NaOCl reacted _______mol _______mol Mass of NaOCl in sample _______g _______g Percentage by weight NaOCl (g NaOCl/g sample) X 100% _______% _______%

Q: 1.80 L of a 3.50 M NaOH solution Express your answer with the appropriate units. 0 Value μA Part B…

A: The mass of solute required for prepare the solution will be determined by calculating the no of…

Q: 750 g potassium iodide 237 mL per bottle Potassium 950 g elemental iodine 1.5 kgs potassium…

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

Q: When 800. mL of 8.50 M HBr is diluted to 500. mL, the final concentration is ________.Express your…

A: To find the final concentration after dilution, you can use the dilution formula:​

Q: In a serial dilution experiment, you take 1 mL of a solution that is 0.5 M and carry out 4 serial…

A:

Q: If the concentration of sodium ion in this average individual is 0.140 M, what is the mass of sodium…

A: The concentration of sodium ion =  0.140 MThe volume of blood in an average individual = 4.7…

Q: : Find the percentage of each problem. Balance it if necessarry. Show your solution. (kindly refer…

A: Given: Balanced equation: 2. 2Fe + 2CuSO8 → 2Cu + 2FeSO8

Q: To transfer a solution, the stirring rod touches the delivery point of the reagent vessel and the…

A: Since you have posted multiple questions as per guidelines we can answer one . If you want remaining…

Q: help  please answer in text form with proper workings and explanation for each and every part and…

A: According to given reaction: BaCl2(aq) + Na2SO4(aq) -> BaSO4(s) + 2NaCl(aq)1 mole of BaCl2 react…

Q: how do you get the caco3 conc molarity? which is 0.01463 m

A: The molarity of a solution is defined as the moles of solute per liter of solution. Mathematically,…

Q: Conductivity Table 1: Conductivity (mS/cm) of KCI Solutions of Various Concentrations (% w/v).…

A: Given that, the table of conductivities of the KCl solution at various concentration…

Q: What is the mass in grams of KBr in 0.400 of a 0.350 L M solution? STARTING AMOUNT ADD FACTOR ANSWER…

A:

Q: Calculate the molarity of the following solution: 0.50 moles of CaCl, in 3500 mL of solution. (SHOW…

A: Molarity(M) is the moles of solute per unit volume of the solution in liters. It's unit is mol/L

Q: (Section 9 Movin e the following equation by algebraic method. O2 P4010 ->

A: P4 + 5O2--------------> P4O10 .           Reactant.              Product P                 4.…

Q: Molarity of KOH solution having 40 grams of KOH in 2500 ml solution is O 700M 2.8M 2.5M O 0.28M

A: Molarity can be defined as the number of moles of solute per liter of the solution…

Q: A solution of HNO3HNO3 is standardized by reaction with pure sodium carbonate.…

A: To determine the molarity of the HNO3 solution and the absolute uncertainty associated with it. The…

Q: pls answer

A: In a chemical reaction reactant are written on left hand side and product are written on right hand…

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

A:

Q: Thanks in advanced, these are just 4 step problems but this one has me stumped for some reason. Use…

A: First, the balanced equation for reaction between zinc metal and hydrochloric acid is determined as…

Q: Suppose you create a standard with an initial concentration of 60.0 percent alcohol by volume. You…

A: A standard with an initial concentration of 60.0 percent alcohol by volume is created. Then 5.00 mL…

Q: Concentration of H2SO4, mol/L 0.104 0.104 0.102 0.105 Average Concentration 0.104 mol/L Question…

A: Deviation is the difference between the mean value and the observed value. Deviation=x-xmean Average…

Q: CHEM 181 Experiment #5 Part B Calculate the approximate volume of vinegar to react with 25 mL of 0.1…

A: Molarity (M) = Numer of moles of soluteVolume of solution (in L)Number of moles can be calculated…

Q: Trial 1 Molarity of HCl(aq) : 0.100 M Volume of HCl(aq): 20.00 mL. Initial buret reading of…

A: We know , for a burette reading , the change is defined as = Final burette reading - Initial burette…

Q: STARTING AMOUNT X How many moles of Na,SO, are in a 0.140 m aqueous solution that was prepared with…

A: Molality of solution is defined as number of moles of solute dissolved per kilogram of solvent.

Q: . Determine the mass, in grams, of 0.390 moles of Pb (1 mol of Pb has a mass of 207.2 g).

A: Given, moles of Pb = 0.390 mol molar mass of Pb = 207.2 g/mol We know, mass = moles x molar mass The…

Q: weight % Pb (in galena)

A: To calculate weight % Pb (in galena).

Q: A chemist prepares a solution of magnesium chloride (MgCI,) by measuring out 25.5 mg of MgCl, into a…

A: Given:: mass of MgCl2 = 25.5 mg = 0.0255 g molar mass of MgCl2 =95.211 g mol-1 volume = 50 ml =…

Q: 1. A student dissolves 2.006 g of FeSO4-7 H₂O in 40 mL of sulfuric acid and then dilutes it to…

A:

Q: Find the ksp of PbCl2  5.0 g od pbcl2 100ml of h2o

A: GIVEN DATA: given mass of  PbCl2: 5gm Molar mass of PbCl2 is 278.1gmol-1 water = 100ml

Q: Following analysis passes the acceptability of analysis (satisfies the electroneutrality) Find the…

A: The objective of the question is to calculate the concentration of + in .

Q: Unknown Sample Number_ 13 Mass of sample, g Final buret reading, mL Initial buret Trial 1 0.244…

A: Reaction of KHP with NaOH: KHP (aq)+ NaOH (aq)→KNa(aq)+H2O(l) NaOH and KHP reacts in 1: 1…

Q: Date: Part B Data - Quantitative Analysis of Precipitation Reactions and Limiting Reactant Problem…

A: # Data Analysis: #1: Mass of Ba3(PO4)2(s) precipitated = 1.5563 g

Q: best value for percent purity and how did you arrive at the best value

A: The best value is calculated from the average of the good data values.

Q: a) Amount HCl available for neutralization by antacid (g) b.}Amoont Moles NAOH required to reach…

A: Since you have asked a question with multiple subparts, we will answer only first three subparts for…

Q: Data Sheet II. Delivering Solution from the Buret (1) final buret reading, mL (2) initial buret…

A: Given data is:

Q: Calculate Average molarity (M) of Acetic acid in vinegar, using the following data. Calculate the…

A: Given:

Q: Unknown # Molarity of Standard Ag(NO), 5.2167/10 M Trial I Trial II Trial III Mass of Unknown 0.237…

A: Note: As there is no data given for trial-III. Hence for trial-1 and trial-II.   Given: Molarity of…

Q: Determine the mass of solute (in g) contained in 500.0 mL of a 0.0274 M solution of CH3CH2OH. 9…

A:

Q: Calculate the molarity of 121 grams of sucrose, C12H22011, in 2.10 liters of solution. M sucrose

A: Molarity (M) :  Number of moles of solute (n) present in 1 litre solution  M = n / V(in L)   M = n…

Q: Part B (Trial #1) Part C (Trial #2) Mass of empty evaporation dish 154.48 g 158.34 g Volume of…

A:

Q: Convert the concentration of 0.700 M NazSO. to g/mL

A: W = M x MM x V/1000 Where, W = mass of solute in g; M = molarity of solution; MM = molar mass of…

Q: Gravimetric Analysis. Please show complete solution. Thank you 1.) A 0.8870 g sample containing…

A:

Q: Average mass of acerbic acid (g) (Density of vinegar is 1.00 g/ mL ) Average mass of vinegar (g)…

A: The equation for the given reaction is as follows. CH3COOH+NaOH→CH3COONa+H2O That means in this…

Q: What volume of 0.125 M HClO, solution is needed to neutralize 54.00 mL of 0.0850 M NaOH? Express the…

A: Molarity of HClO4   = 0.125 M Volume of NaOH = 54.00 mL Molarity of NaOH = 0.0850 MFind out the…

Q: What quantity in moles of NaOH are there in 82.0 mL of 0.300 M NaOH? 1 4 2 5 mol 3 6 SUB X

A:

Q: What volume of 0.172 M NaOH, in militers, contains 200g of NaOH? Volume mL

A:

Q: -2 Molarity of Standard Ag(NO), 5.2167/10 M Trial I Trial II Trial III Mass of Unknown 0.237 o. 232…

A: The data given is,