Calculate titre of potassium dichromate, in case when 500 ml of the solution contains 1,2230 g of pure salt (М=294,185 g/mol). Express numerical result with an accuracy of: Х,ХХХ.10-х

Q: Ten pints of a 5% solution are diluted with 30 pints of diluent, what is the percentage strength of…

A: Initial amount = 10 pints  Diluted by 30 pints.  So, final amount = 10+30 = 40 pints.  So, dilution…

Q: . A 0.57 gram sample aspirin (MM=180 g/mol) is crushed and dissolved in water. The sample is…

A: Since you have posted multiple questions, we are entitled to answer the first only. 1) Given: Mass…

Q: A student titrates a water sample (V-100 ml) with 0.05N H2S04, find the quantity and quality of the…

A: A question based on concentration terms that is to be accomplished.

Q: Full Screen Accessibility While titrating 50.0 mL of a 0.582 M solution of HCI with a solution…

A: Acid-base titration: Titration is a method to determine the concentration of unknown acid by using…

Q: another concentration unit is % (m/v) 410.0 g of glucose dissolved in enough water to give 325 mL,…

A: Given, amount of glucose i.e. solute =410.0 gramvolume of solution =325 mLwe are asked to calculate…

Q: Following the directions in the laboratory manual, you create Standard 2 by transferring the…

A: Calculate the total volume of mixture of solution in the test tube. i.e.…

Q: The Kjeldahl method was used to determine the nitrogen content of a soil sample. 25 g soil sample…

A: Solution: We know Kjeldahl method is used to determine the nitrogen content of the any sample.…

Q: You are working in an aseptic unit making TPN bags. One of your adult patients requires 20mmol of…

A: Given the stock solution= 5% sodium chloride.  Let the mass of the solution be 100g. Then the mass…

Q: 1. Remember that all solutions used in this experiment contain 0.50 M HNO;. What happens to the HNO3…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: A chemist needs to determine the concentration of a sulfuric acid solution by titration with a…

A: Given: Concentration of NaOH (MNaOH) = 0.1328 M Volume of NaOH (VNaOH)  = 12.39 mL Volume of H2SO4…

Q: Consider the following method for the analysis of salicylic acid (MW 138.121) powder. "Dissolve…

A:

Q: used a pipette to add 25 cm of sodium hydroxide of unknown concentration to a conical flask. The…

A: Few questions based on acid-base titration, which are to be accomplished.

Q: What mass of Fe(OH)3 (MW = 106.87 g/mol) will be obtained when 100. mL of 0.240 M FeCl3 (MW = 162.2…

A:

Q: In standardizing a solution of NaOH (40 g/mol) against 1.431 g of KHP (204.22 g/mol) the analyst…

A: Volumetric analysis is a method in which the volume of a substance is determined by measuring its…

Q: Starting concentrations of yourmetal ions in your initial solution: [M+]= 4.00 x 10-5 M [M2+]=…

A: Precipitation will start when Ksp = ionic product ionic product is the product of concentration…

Q: An unknown sample containing a mixture of NaCl and Na2CO3 was analyzed to determine the %…

A:

Q: KHP (aq)+NaOH (aq)-->NaKHP (aq)+H2O(l)   Trial  Vi (mL) Vf (mL) 1 36.19 48.56 2     3       A…

A: According to the chemical equation, the number of moles of KHP react with NaOH are equal.

Q: How would you prepare 1000. mL of a 6.00 M HNO3 solution if only 3.00 M and 12.0 M solutions of the…

A: Given, concentration of HNO3 solution 1 , M1 = 3.00 M            concentration of HNO3 solution 2 ,…

Q: J l (NaCIy 0.2 N.u J 250 Na = 23. Cl = 35.5)s Q1 :- prepare a standard solution of a Sodium Chloride…

A: Detail calculation is shown below

Q: KHP + NaOH—> KNaP +H2O Data of trial Mass of KHP : 0.8084g Initial buret containing NaOH reading:…

A:

Q: How would you prepare 1000. mL of a 6.00 M HNO3 solution if only 3.00 M and 12.0 M solutions of the…

A:

Q: A chemist needs to determine the concentration of a sulfuric acid solution by titration with a…

A: Titrimetric analysis involves determination of the volume of a solution of accurately known…

Q: the bottle is labeled 174.3mg of Fe(NH4)2(SO4)2•6H2O in 1.000 liter, what is the concentration in…

A: The parts per million unit is equal to the milligrams per liter. 1 ppm=mg/L Molar mass of…

Q: What mass of Fe(OH)3 (MW = 106.87 g/mol) will be obtained when 100. mL of 0.240 M FeCl3 (MW = 162.2…

A:

Q: A sample of 6 M 10 mL H2SO4 is diluted to 100 ml. Calculate the concentration ( in gravimetric…

A: On the dilution of an acid, the concentration (molarity) of the solution decreases. The number of…

Q: 1. The Fe2+ content of iron tablets was determined by titration with a freshly standardised solution…

A: In order to prepare a sensible titre, the solution should have concentration similar to that of the…

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

A: Mass of sample = 1.5879 gm  Mass of Al2O3 = 0.1572 gm  Molar mass of potash alum = 474.4 gm/mole…

Q: An analytical chemist weighs out  0.019g  of an unknown monoprotic acid into a  250mL  volumetric…

A:

Q: one trial of the standardization of a Na2S2O3 solution, a 10.00 mL volume of 5.00×10-3 M KIO3 is…

A: Given  Taken 10.00 mL volume of 5.00×10-³ M KIO3  15.96 mL of sodium thiosulfate solution   We have…

Q: You measure 1.5232 g of oxalic acid on an analytical balance, add it to a 250-mL volumetric flask…

A: moles of oxalic acid= concentration of oxalic acid x volume of oxalic acid used Given…

Q: In this lab, stock solution A has an Fe2+ content of 0.0100 g/L. A student prepares a new sample…

A: We know,  C1V1 = C2V2  Where, C = concentration  V = volume

Q: During your standardization experiment, you measured 0.0521 grams of potassium hydrogen phthalate…

A: Molarity is defined as no.of moles of solute divided by volume of solution in liter.

Q: Sample B 0.110m Sample C 0.110m 0.110 m 8. Molarity of NaOH solution (average from part A) 0.00ml…

A: SAMPLE A The neutralization reaction for acetic acid with NaOH is, CH3COOH(aq) + NaOH(aq) →…

Q: You collected the following data from a titration experiment using a 0.129M standardized NaOH…

A: Please have a look on the solution:

Q: If the experiment started with solid KHP instead of a solution, why would it be acceptable to use a…

A: KHP is potassium Hydrogen Phthalate, with Molecular formula of KC8H4O4H, it is an acidic salt. When…

Q: What is the mass percent of Fe for each trial ?   Mass of (NH4)2Ce(NO3)6 (in 100.00 mL) =   4.5038…

A: The balanced chemical reaction between Fe2+ and Ce4+ is:   Fe2++Ce4+↔Fe3++Ce3+

Q: 2. Your report should contain a table that lists the volumes of standardized NaOH solution required…

A: In acid base titration when we have volume of acid and base and have concentration of one of two,…

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

A:

Q: The tartaric acid, H2C4H4O6 (150.087 g/mol ) in 100.0 mL wine sample was determined using sodium…

A: The question is based on the concept of titrations.   we are titrating  a weak acid with a strong…

Q: A student begins a titration experiment by filling her first buret with unknown acid to the 1.12 mL…

A: From given  Both blank 1 and 2 is determined by using volume of acid and base formula It is as…

Q: An analytical chemist weighs out 0.410g of an unknown triprotic acid into a 250mL volumetric flask…

A: Given: Mass of triprotic acid (Assuming H3A) = 0.410 g. Concentration of NaOH = 0.0700 M And volume…

Q: What mass of Fe(OH)3 (MW = 106.87 g/mol) will be obtained when 100. mL of 0.240 M FeCl3 (MW = 162.2…

A: The balance equation: FeCl3(aq)  +  3NaOH(aq)  --->  Fe(OH)3(s)  + 3NaCl(aq) 1 mol              3…

Q: Calculate equivalent weight of unknown acid using the following information: Mass of unknown acid=…

A:

Q: You were tasked to determine the percentages of citric acid in the freshly squeezed and bottled…

A: Citric acid+ sodium hydroxide --->sodium citrate+ water Molarity of NaOH = 1.10M Moles of NaOH=…

Q: Volume of 0.100 M Na3PO4 solution used 30 mL 30 mL Initial burette volume of CaCl2 solution .6 mL…

A: We are given all the data to find the moles of CaCl2 consumed in the reaction and find the molarity…

Q: Potassium hydrogen phthalate is used as a primary standard in finding the concentration of a…

A: Potassium hydrogen phthalate is used as a primary standard in finding the concentration of a…

Q: A 0.42 gram sample of acetylsalicylic acid (C₉H₈O₄, aspirin) is crushed and dissolved in water. The…

A:

Q: We complete 10 cm3 to a volume of 0.1 M KBr solution to 30 cm3 and titrate it with 0.05 M Ag+. what…

A: The Ksp of AgBr is 3.3×10-13. The molar solubility of Br- can be calculated as: AgBr⇌Ag++Br-…

Q: The hydrochloric acid concentration in a solution is determined by titration with NaOH. A 25.00 mL…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: Standardization of NaOH solution 1.trial 2.trial 15.0 mL of 0.1015 M HC1 + 15.3 mL NaOH 15.0 mL of…

A: At the equivalence point of the reaction, the moles of HCl and the moles of NaOH are equal. moles of…

Precipitation Titration

Precipitation analysis is used to analyze drugs, and to measure the salt content in food and beverages. It is an important concept from the examination point of view many practical questions are asked on the topic. This topic is significant in the professional exams for both undergraduate and graduate courses, especially for