What willl be the Molar concertration of the 333.85  HCl solution prepared from 4 mL of concentrated HCl (MW=36.46) ? The density of concentrated HCl is 1.18 g/mL.  answer in 2 decimal places no need to write the unit

Q: 182 −mL−mL sample of a 1.3 MM sucrose solution is diluted to 600 mLmL .     Part A What is the…

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Q: An aqueous solution of ethyl alcohol is made by transferring 12.3 mL of liquid ethyl alcohol to a…

A: Since we know that  %(V/V) = (volume of solute /volume of solution )×100%

Q: What volume (mL) of a concentrated solution of sodium hydroxide (6.00 M) must be diluted to 200. mL…

A: On dilution number of moles remain same.

Q: What is the mass percent of sodium chloride in a solution prepared by adding 15 g of sodium chloride…

A: Mass percent is defined as  Mass percent = mass of component X 100 / total mass of sample

Q: Calculate the freezing point of a water solution at each concentration. Express your answer using…

A: ∆Tf = Kf.m ∆Tf = freezing point of depression Kf = molal freezing point depression constant of…

Q: How much solid sodium chloride do you need to make 300.0 mL of a 150. mM NaCl solution in water?

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Q: What mass of K2CO3 is needed to prepare 82.0 mL of a solution having a potassium ion concentration…

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Q: 2+ Calculate the number of equivalents/L of Ca* in a solution that is 4.7 x 10 M in Ca. Express your…

A: Given, Concentration of Ca2+ = 4.7 × 10-2 M = 4.7 × 10-2 mol/L Equivalents/L of Ca2+ = ?

Q: B. Determine the following: Pm, P, Pm, Xa, m, and M if 107.125 grams NaOH is dissolved in 480 mL of…

A: Mass of solute , NaOH = 107.125 g

Q: What is the concentration of your stock solution in mM?

A: 1% means 1/100 So, 0.1% = 0.1/100 Thus, 0.1% = 0.1 ug / 100 mL = 0.001 ug/mL

Q: Pipet (1.0x10^1) mL of a sample solution into a 250.00 mL volumetric flask and dilute to the mark…

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Q: 0.1% w/v = ? mg/100 ml? Only include the number and not any units

A: As per the guidelines we are supposed to answer the first question to be solved other questions…

Q: A student determined the average molarity of their sample of acetic acid to be 0.608 M. Calculate…

A: w/w % =Mass of soluteMass of solution×100%              Mass = density x volume  Mass of…

Q: A student was asked to calculate the mass of NaCI (in g) needed to create 500 g of 10 % NaCl…

A: no not correct

Q: You have a stock solution of 14.8 MM NH3NH3. How many milliliters of this solution should you dilute…

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Q: An experiment involves a two step dilution process in order to make 2 M H2SO4 from 20 M H2SO4. 124…

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

Q: How many milligrams of sodium fluoride are needed to prepare 100 mL of a sodium fluoride stock…

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Q: You are a work study student in our chemistry department. Amy, your supervisor has just asked you to…

A: The stock solution can be constructed by the dilution of the unknown solution and also the…

Q: 165 mL of a 0.905 M HCl solution Express your answer to three significant figures and include the…

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Q: 37.0 g of KOH from a 30.0 %(m/m) KOH solution Express your answer to three significant figures and…

A: The mass percent (% m/m) represents the concentration of solution, which is calculated as follows,…

Q: 0.1% w/v = ? mg/100 ml? Only include the number and not any units 2) 0.1% = ? ug/ml? Only include…

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Q: If a solution is made by adding 8g of (NH4)2SO4 to a 100 ml volumteric flask and enough water is…

A: The molecular weight of (NH4)2SO4 = 132.14g/molThe concentration of the solution can be calculated…

Q: ) 0.1% w/v = ? mg/100 ml

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Q: please highlight the correct answer

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: 0.8 M HCl was diluted to a fixed volume of 500 ml. If the new concentration is 0.20 M, what was the…

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

Q: What is the pHpH when 5.3 gg of sodium acetate, NaC2H3O2NaC2H3O2, is dissolved in 150.0 mLmL of…

A: pH is used to determine the concentration of hydronium ion.

Q: Today the only form of liquid acetaminophen on the market has a concentration of 160 mg…

A: Given: Mass of acetaminophen in 5.0 mL = 160 mg. And mass of acetaminophen needs to be given = 40…

Q: Calculate the grams or milliliters of solute needed to prepare the following solutions. (PART A)…

A: Given information: Mass percent of KCl solution = 3.0 % Mass of solution = 60 g Mass by volume…

Q: How many milliliters of a 7.4 M NaOH solution are needed to make 694 mL of a 2.3 M NaOH solution?…

A:

Q: How many mL of a 5.00 ppb solution are needed to have 1.00 g ? The concentration will always be the…

A: Ppb  or part per billion is one of the ways to express the concentration of solution

Q: 1. Answer the following: a. the concentration of ammonia in the White River water sample was found…

A: Answer :-  a) Molarity of Ammonia (NH3) solution = 0.00047 M…

Q: A. Standardization of NaOH Solution TRIAL (HCI] Volume Moles Moles Volume [NAOH] HCI HCI NaOH NaOH…

A: concentration=moles/volume

Q: What volume (in mL) of a concentrated 12.6 M nitric acid solution is required to prepare 620 mL of a…

A:

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: Ringer's solution contains 0.33g of calcium chloride per L. Express the concentration in terms of…

A: Molecular mass of CaCl2 (calcium chloride)= 111 gm

Q: Part C A 53.5 mL sample of an 9.0 % (m/v) KBr solution is diluted with water so that the final…

A: Part C Solution. 53.5 ml of  9 % M/V KBr solution is diluted with to give final volume 231 ml.…

Q: Part B A student placed 18.5 g of glucose (C6 H12 O6) in a volumetric flask, added enough water to…

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Q: 16. Concentrated glacial acetic acid is 99.7% H3CCO2H by mass and has a density of 1.05 g/mL. What…

A: Given,  Concentrated glacial acetic acid is 99.7% H3CCO2H by mass i.e. 99.7 g acetic acid in 100 g…

Q: How many grams of oxalic acid, H2C2O4, are required to prepare 750. mL of a 0.250 M oxalic acid…

A: Molecular Wt of oxaclic acid = 1262 (no. of eq)g To find the grams of 0.25M oxalic acid needed for…

Q: 1) 0.1% w/v = ? mg/100 ml? Only include the number and not any units

A: 1)   % ( w/v)  or % (weight/volume) is used to express mass concentration of solution. It gives…

Q: Example Weigh of bottle with Na₂C₂04, g Weight minus Na₂C₂04.9 Weight of Na₂C₂O4 taken, g Final…

A: The balanced equation for the reaction of C2O42-(aq) and MnO4-(aq) is: 5C2O42-(aq) + 2MnO4-(aq) +…

Q: A student determined the average molarity of their sample of acetic acid to be 0.611 M. Calculate…

A: Given :-  Molarity of acetic acid solution = 0.611 M Density of solution = 1000. g/L  To calculate…

Q: Quesion 1 a Calculate the (m/v) % concentration when 25.3 g of NaCl dissolved in 1.5 L of…

A: Since we only answer up to 3 sub-parts, we will answer the first 3 only. Please resubmit the…

Q: A student uses 7.500 grams of oxalic acid (H₂C₂O₄) to make 250.0 cm³ of solution in a volumetric…

A: Given: The mass of the oxalic acid (H₂C₂O₄), (m) = 7.500 grams. The volume of the solution  in a…

Q: A solution contains 38 mEq/L of Cl− and 19 mEq/L of HPO2-4 If Na+ is the only cation in the…

A: Given that the solution has 2 anions, Cl- and HPO42- ions which have to be balanced by only cation…

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A: Molarity and parts per million (ppm) are the two ways to express concentration.  There is a…

Q: You have a stock solution of HCI that is 37.4 % HCl by mass and has a density of 1.20 g/mL. What…

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Q: Determine the final volume needed when 15.0 mL of a 7.50 M solution is diluted to a final…

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Q: A calibration curve of NaCl conductivity (y-axis) vs concentration (mass percent, x-axis) is made.…

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Q: How would you prepare 50.0mL of 0.400M HNO3 from a stock solution of 4.00MHNO3? What volume (in mL)…

A: Given that:  Molarity of stock HNO3 solution(M1) = 4.00M Molarity of  HNO3 solution needed to…