A 0.1220 g vitamin C tablet was dissolved in acid. This required 11.50 mL of 0.01740 M KIO3 to  reach the endpoint. Calculate percent by weight of ascorbic acid in the tablet.

Q: How would you safely prepare 500. ml of 1.00 M H2SO4 solution from a 12.4 M H2SO4 stock solution?

A: Given that, molarity of stock solution, M1 = 12.4 M  volume of H2SO4, V2 = 500. ml  molarity of…

Q: Calculate [ I- ] given the following information: In a test tube, 2.0 mL 0.060 M KI solution 4.0 mL…

A: The initial concentration of KI or I- (M2) is calculated as follows:

Q: If we need 80mL of 0.3M NaCI, it is harder to calculate. For any dilution we can use the formula…

A: Given reaction is : Given initial volume = V1 = ? Initial molarity of NaCl = C1 = 5M  Formula of…

Q: Q1/ The molarity and Normality for 250 ml of ?1.05% NaHCO3 0.05, 0.05 O 0.1,0.05 O 0.05,0.1 O

A:

Q: Calculate (in milligrams) how much NaCl is required to make up 5mL of a 120mM solution (the MW of…

A:

Q: Calculate the number of mmoles of solute that are present in 4000 cm³ of an aqueous solution that…

A:

Q: how would you make 500ml of a .090M solution of CaCl2 from pure soild CaCl2

A: Since all the term used in the molarity are known, excluding mass of solute (CaCl2). hence, we can…

Q: 5. What weight of HCl is present in 30mL of hydrochloric acid of specific gravity 1.19 and con tains…

A: Given:- Specific density of HCl = 1.19             Concentartion = 37.5% by weight…

Q: Calculate the number of mmoles of solute that are present in 4000 cm³ of an aqueous solution that…

A: Given, AgNO3 concentration = 5000 ppb density of solution = 1gmLmolar mass of AgNO3=169.87…

Q: A 0.1220 g vitamin C tablet was dissolved in acid. This required 11.50 mL of 0.01740 M KIO, to reach…

A: here we are required to find the percent by mass of ascorbic acid in the tablet. Molar mass of…

Q: а) Draw the following volumetric glassware: 10.0 mL graduated cylinder, 100.0 mL volumetric flask,…

A: (a) Drawing  of different apparatus, used in volumetric Analysis are - 10.0 mL Graduated Cylinder -…

Q: How many grams of methionine (MW = 149.21) are needed to make 20 mL of a 150 mM solution? What is…

A: a) Given, Molarity of the solution = 150 mM = 0.150 M = 0.150 mol/L Volume of the solution = 20 mL =…

Q: 10.00 mL of 1.10 M  HCl  diluted to 0.450 L

A:

Q: What volume of Water for Injection, BP is to be added to a vial containing 500 mg amoxicillin to…

A: Given that : The mass of vial containing amoxicillin = 500 mg The volume of final solution = 10 mL…

Q: Q2/prepare 500 ml, 5N H2SO4 solution from original concentrated solutic

A: Normality of original 98% concentrated H2SO4 = 36.8 N1 x V1 = N2 x V2

Q: 170 milliliters are required to prepare 900 mL of 2.00 M HCI (36.5g/mol) from the commercial reagent…

A: Concentration of commercial HCl = 37.2 % (w/w)

Q: To what volume should you dilute 124 mL of an 8.05 M CuCla solution so that 49.0 mL of the diluted…

A:

Q: How many liters of stock 5% w/v H2O2 (MW 34) are needed to make 300 mL of 450 mM solution?

A: Given data:

Q: Boric acid (HBO) is initially 3moles/liter Fifty milliliters of this acid solution is diluted to…

A:

Q: What volume, in mL of 2.0 M sulfuric acid is required to make 450 mL of 0.25 M solution of sulfuric…

A: Given a solution of sulfuric acid having concentration of 2.0 Mwe are asked to calculate the volume…

Q: Example 8: Calculate the weight percentage of solution prepare by mixing 5.0g AGNO3 with 100 mL…

A:

Q: How many grams of disodium EDTA (mw=336g/mol) is required to prepare 200 ml of 0.02150 M of Aluminum…

A: Given: Mol. weight of EDTA = 336 g/mol Volume of Aluminum oxide = 200 mL Mol. weight of Aluminum…

Q: o determine the amount of copper and the identity of the copper compound in the unknown sample, a…

A: Given :-  Stock volume of copper containing sample = 100 mL  Mass of copper containing sample in…

Q: how many mL of a 0.555 M KNO3 (Mw=101.1g/mol) solution would contain 30.5 g of KNO3?

A: Given  Molarity of KNO3                  = 0.555 M Molecular weight of KNO3 = 101.1 gm/mole Mass of…

Q: Using the relationship C1V1=C2V2, how many mL of 0.50 M HAc stock solution would you need to prepare…

A: Given relationship is  C1V1=C2V2, C1 = Initial concentration = 0.50 M V1 = Initial volume = ? C2 =…

Q: How many grams per millilitre of NaCl arecontained in a 0.250 M solution.

A: Molarity: It is the parameter that expresses the amount of a solute that is present in one liter of…

Q: How of Cape Julfcte pentehydrare ( Cusoy.5420) were need many grams to malse 100 mL cf the 0.4M…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 9 From the following formula for artificial tears, calculate the quantity of each ingredient…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Suppose you have 5M NaCl stock solution and you perform a six-step serial dilution by taking 100 µl…

A:

Q: What is the standardization factor of this iodine solution?

A: Standardization is the process of determining the exact concentration (molarity) of a solution.…

Q: Describe exactly how to prepare a series of 8 solutions of a reagent with dilution factor of 2…

A: The chemical solutions are diluted by using below formula,

Q: ammonium solution

A: In aqueous solution, ammonia deprotonates a small fraction of the water to give ammonium and…

Q: Given a stock solution of 0.100 M CuSO4, describe how you would make a 10 mL standard 25 mM stock…

A: Let V1 be the initial volume of CuSO4        V2 be the final volume of stock solution.       M1  be…

Q: You have a stock solution of 3.00 M NaCl and will need to use ______ mL of that stock to make 1.0 L…

A: Dilution is a process via which the concentration of a solution is decreased by adding extra…

Q: 20 ml of a 0.100M sodium phosphate solution is mixed with 20 ml of a 0.120 M cobalt (II) nitrate…

A: The equation for balanced reaction is, 2 Na3PO4 + 3Co(NO3)2 -------->  Co3(PO4)2 (s) + 6NaNO3…

Q: Calculate the parts per million (PPM) for 56 mg of total dissolved solids in 0.530 kg of solution.…

A: Answer is 105.7ppm

Q: A 5 gram (NH4)2SO4 (MW = 132.14 g/mol) was dissolved to make 500mL solution. It found to have a…

A: Molarity(M) is defined as number of moles of solute in 1L of the solution. Molality(m) is defined as…

Q: 6. You have now prepared a standard solution (or stock solution) of copper(II) sulfate pentahydrate.…

A: Molarity of solution is the moles dissolved per litre of the solution .

Q: Dilute a 35.0 mL glucose solution from 2.26 M to 0.845 M, the final volume will be: O 93.6 mL O 70.0…

A: We know that,  V1S1 = V2S2  V1 = initial volume  V2 = final volume S1 = initial concentration S2 =…

Q: Molecular weight of disodium ethylenediaminetetraacetate is 292. The weight in grams is 4.803 to…

A: Given that -  Weight of disodium ethylene diamine Tetra Acetate = 4.808  Molar mass = 292  Molarity…

Q: A 2L stock solution of 8M hydrochloric acid is used to create a 2.5M solution of what volume?

A: HCl Solution Initial volume of stock solution = V1= 2 L Initial Molarity of stock solution = M1= 8 M…

Q: A laboratory technician purchased 250. mL of 15.4 mol/L nitric acid. She uses this concentrated…

A: Number of moles of a chemical compound is used to measure the amount of compound in the given…

Q: calculate the number of ml of 50% dextrose and the quantity of distilled water required to produce…

A: Given : % of dextrose in stock solution (Assuming volume % i.e % (v/v))  = 50 % % of dextrose in…

Q: Explain how to prepare 275 ml of a0.350M NaCl solution from a 2.00 M NaCl stock solution.

A:

Q: Calculate volume of H2 at 0 degress C, 2.00atm, from 275mL of 0.725M HCl and 4.50g Mg.  Mg + 2HCl…

A: Given that : Reaction = Mg+ 2HCl → MgCl2+ H2 Pressure = 2.00 atm Volume of HCl =275mL Molarity of…

Q: How would you prepare 2.50×1022.50×102 mLmL of 0.084 MM solution of MgCl2MgCl2 from a 2.00 MM stock…

A: Given, Initial molarity of MgCl2 solution, M1 = 2.00 M Final molarity of MgCl2 solution, M2 = 0.084…

Q: ou are provided with a) 500 mL of 10 M KMnO4 solution b) 100 grams of pure NaCl c) 100 mL of 12 M…

A: Solution - According to the question - Given - 1. Prepare the ferrous sulphate solution in a beaker…

Q: What volume in mL of 0.300 M NaF would be required to make a 0.0605 M solution of NaF when diluted…

A: Molarity is a concentration term. It is expressed as the number of moles of solute dissolved in per…

Q: How much diluent is needed to prepare 1L of 2.5 M solution of KCI if the available stock solution is…

A: Given M2 = 2.5 M            M1  = 4.0 M            V2 = 1.0 L

Q: A student extracted 2.3521g of lycopene from tomato paste. The solid was placed it into a 20 ml…

A: To calculate the concentration of the dilute solution.