How to make a 250 mL stock of 500 mM Tris-HCl, pH 8 and a 100 mL stock of 250 mM EDTA. Then, state how much of each of these stock solutions you would use to make a 50 mL solution of TE (also include how much distilled water would be used). I tried looking up other solutions with different quanities so i can try to do it myself but couldnt find anything anywhere.

Q: Consider the titration of a 27.0-mL sample of 0.180 M CH3NH2 (Kb = 4.4\times 10-4) with 0.155 M HBr.…

A: ##Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: A 1.899 g of an oat cereal is determined by Kjeldahl analysis. The sample is digested with H2SO4,…

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Q: Determine the concentration of H2SO4 when 10 mL of the surround water was collected near the C & H…

A: The titration of H2SO4 by NaOH takes place as, H2SO4 + 2 NaOH  ------>  Na2SO4 + H2O At the…

Q: Ih à problem solved using the ICE table method for a 0.100 M HA solution, the check to see if X is…

A: The solution is given below -

Q: Titrate 1.2035g of solid KHP (KC8H5O4) requires 23.89 mL of an unknown NaOH solution to reach the…

A: Given: Mass of KHP = 1.2035g Volume of unknown NaOH = 23.89mL= 0.02389 L To find: The molarity of…

Q: Part A A sample of 0.224 g of an unknown monoprotic acid was dissolved in 25.0 mL of water and…

A: Part A: Let, molar mass of the sample be x g/mol.Weight of the sample is 0.224g As the sample of…

Q: Perform calculations to prepare 10 mL of 1.00x10-5 M dye solution from the 1.00x10-4 M dye solution.

A: Given data, Concentration of stock solution = 1.00x10-4 M Concentration of desired solution =…

Q: Calculate the solubility at 25 °C of AgBr in pure water and in 0.19 M NaI. You'll probably find some…

A: Temperature = Molarity of NaI = 0.19 M

Q: A group of students perform a titration experiment. The buret tube is filled to the 0.00ml line with…

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first 3 sub-parts of…

Q: 0.250 molH PO LH3PO4 0.250 mol H₂PO4 LH₂PO₂ X 3 mol NaOH 1 mol H₂PO4 3 1 A solution of phosphoric…

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Q: If the concentration of Ca²+ and Mg2+ in Canyon Lake are 63 and 19 ppm, respectively, calculate the…

A: The hardness of water is due the the chloride and sulphate of calcium and magnesium. It is measured…

Q: Which of the following titration systems will have the largest ApH at the equivalence point region?…

A: In acid-base titration is an example of neutralization reaction, so the pH at equivalence point is…

Q: For a water sample with a bicarbonate ion concentration of 50 mg/L and a CO2 content of 30 mg/L: a)…

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Q: Calculate the molar solubility of CaF, in pure water. Neglect hydrolysis of the fluoride ion. Ksp of…

A: This is a question based on molar solubility of ionic compound.

Q: 1.00 liter solution contains 0.27 M ammonia and 0.35 M ammonium perchlorate. If 0.088 moles of…

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Q: 100.0 mL sample of natural water was titrated with NaOH. The titration required 10.25 mL of 0.1075 M…

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Q: Solve for solution 4, pH= 4.15

A: In the given question we have to calculate the final pH of the solution after dilution.

Q: alculate the Ksp of a Ca(OH)2 solution using the data below: Titrated with 0.103MHCl Initial…

A: Given Ca(OH)2  + 2HCl → CaCl2  + 2H2OMolarity of HCl = 0.103 MInitial VOlume of HCl = Vi = 9.71…

Q: / 80% water with a formic acid sodium formate buffer @ pH 3.4) You have a diluted STUDENT STOCK…

A: The formula of dilution is  C1V1 = C2V2 Where, C1 and C2 are initial and final concentrations of the…

Q: A 1.00 liter solution contains 0.51 M ammonia and 0.39 M ammonium chloride. If 0.2 moles of…

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Q: Seoyeon needs to determine the identity of an unknown salt. She dissolved the sample in the…

A: Based on the given information, we need to determine the unknown salt.

Q: a solution that is 0.115 M in HC10 and 0.170 M in KCIO (K, (HCIO) = 2.9 x 10-8) %3D Express your…

A: pH is defined as the negative logarithm of hydrogen ion concentration present in the solution. pH =…

Q: Which of the following pair is not the correct pair of standard solution and primary standard? a.…

A: Standard solutions are used to determine the concentrations of unknown solutions. These standard…

Q: Calculate the pH of the solution that results from each of the following mixtures. ▼ Part A 50.0 mL…

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Q: Part A Calculate the solubility (in grams per 1.00 x 102 mL of solution) of magnesium hydroxide in a…

A: Solubility product for Mg(OH)2 is given by Ksp = 5.61×10−12 Part A: Given that: pH = 12 Calculate…

Q: Titrate 15.00 mL of 0.256 M KHP solution requires 20.75 mL of an unknown NAOH solution to reach the…

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

Q: Use the information to answer the following question. A student is given the following information…

A: As the above criteria is mentioned , this shows that is the true symbol of STRONG BASE. STRONG BASE…

Q: How do you make 300 mL of the following “lysis buffer” that contains the following ingredients: 50…

A: A change in temperature affects the pH readings of solution. As temperatures rise, the molecules…

Q: Weighed quantity of dry potassium bromide 1,5560 g г (М=167,000 g/mol) dissolved in water with…

A: Potassium bromide dissolved in water and ttitrated with arsenic trioxide.

Q: An unknown hydroxide of the formula X(OH)​2​ is only slightly soluble in water. She takes 25.00 mL…

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Q: A unknown weak base is titrated with a strong acid, and the resulting titration curve is shown: 14…

A: The titration curve for titration of an unknown weak base titrated with a strong acid is provided.

Q: Make oleic acid vesicles by making a solution of 0.5mL of 50mM oleic acid, 1 mM HPTS in 0.2 M…

A: Vesicles are formed by the rehydration of dry film of lipids. One of most common vesicles are fatty…

Q: Write a net iconic equation for the reaction that occurs when strong acid (use H3O+ for strong acid)…

A: Given that : We have to write a net iconic equation for the reaction that occurs when strong acid…

Q: Calculate the amount (in grams) of solid chemical needed to make a 1.25% (w/v) agarose gel, in 50 mL…

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Q: Prepare a written plan for making up 100.0 ml of a solution that is 0.100M in Ca+2 ion using 2.00 M…

A: Given:Volume of Final solution = 100 mL = V1 Molarity of final solution  = 0.100 M = M1Molarity of…

Q: ppm Pb^2+ in 10^-6 % Pb (NO3)2

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Q: Identify which indicator will be suitable for the following titrimetric analyses: a. 0.100 M…

A: the answer is as follows:

Q: I did an experiment called Potentiometric Analyses where we titrate NaOH with a solid unknown weak…

A: 2 mole of OH- neutralizes 1 mole of acid  Formula used : Molarity = no. of moles/vol(Lt)

Q: Mass of unknown ammonium salt Molarity of NaOH(aq), M2 Molarity of HCl(aq), M1 Volume of NaOH(aq)…

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Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.