Answered: Problem 3: A waste water sample…

Problem 3: A waste water sample contains 2.092 mmol/L NaCl. Calculate the concentration of NaCl in mg/L. What are the mmol/L concentrations of Na and Cl. Na = 23 and Cl = 35.5.

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter2: Atoms Molecules And Ions

Section2.7: Chemical Analysis: Determining Compound Formulas

Problem 2.11CYU: Hydrated nickel(II) chloride is a beautiful green, crystalline compound. When heated strongly, the...

See similar textbooks

Related questions

Q: Question 40 The [OH'] in a solution containing [H*] = 9.5 x 10 2 is: %3D O 1.1 x 10 3 M O 4.7 x 107…

A: pH is a negative logarithm of Hydrogen ion concentration. It is related to Hydrogen ion…

Q: 3 attermpts left Check my work Be sure to answer all parts. Starting with a 6.701 M stock solution…

A: Given data: Initial concentration of HNO3 = 6.701 M AAt each stage, 25 mL of solution is diluted to…

Q: What is the molarity of a solution prepared by dissolving 4.19 g of sodiumiodide in water and…

A: The moles of solute per litre of solution is known as molarity or molar concentration, and it may…

Q: The concentration of Mg2* in a sample of coastal seawater is 1.08 g/kg. What is the molar…

A: concentration of Mg2+ = 1.08 g / kg 1.08 g/Kg means 1.08 g of Mg2+ in 1 Kg ( = 1000 g) Molar mass of…

Q: estradiol, 3. Benzoyl peroxide is available as an 8.5% w/w cream. How much benzoyl peroxide and…

A: Mass percent (w/w) % : The mass in grams of a component present in 100 grams of the mixture is…

Q: 1. If 8.5 g of pure ammonium phosphate, (NH₂),PO,(s), is dissolved in distilled water to make 400 mL…

A: Dear student , since you have posted multiple questions we are allowed to solve only first question…

Q: Problem 3. A surface water sample contains 20 µg (micro-grams)/L of lead ions (Pb²+). a) Calculate…

A: Molarity of the solution is expressed as- Molarity =Moles of soluteVolume of solution in L And…

Q: Choose the best answer for the pOH of a solution containing 4.0 x 10-M of [H]. 6.3 x 106 2.5 x 10-10…

A: PH is defined as negative logarithm hydrogen ion concentration to the base 10…

Q: Problem 3. A cell contains K+, Cl- and an impermeant anion A™. It is bathed in a solution of K+ and…

A: The objective of this question is to find the values of cki ,cko,cCli and Vm in the given system.

Q: Give good explanation ASAP Thanks a + 3b makes c Concentration of C is 2.73e-4 mol/l…

Q: Answer here based on their molecular structures? between the dye and the water What type of…

A: From the given molecular structure of dye. It contains large number of hydroxyl groups and…

Q: Be sure to answer all parts. The Henry's law constant (kH) for O2 in water at 20°C is 1.28 x 10…

A: Henry’s law constant is obtained from concentration and pressure. KH=Concentrationpressure

Q: What is the pOH of a solution prepared by diluting 128.9 mL of 1.476 M HNO, (ka>>1) to a total…

A: Given that - Volume of stock HNO3 Solution =128.9 mL Molarity of stock HNO3 Solution = 1.476 M…

Q: What is the pH of a 0.298 M C6H5CO2H M solution if the Ka of C6H5CO2H is 6.5 x 10-5? Your Answer:…

A: Given Concentration of C6H5COOH = 0.298 Ka for C6H5COOH = 6.5×10-5

Q: Macmillan Learning What is the concentration of a solution made by diluting 45 mL of 6.0 M HCl to a…

A: Given, HCl solution: before dilution Concentration of the solution (M1) = 6.0 M Volume of the…

Q: Task: Enter into the middle table column the listed below compounds, according to their category of…

A: The Above given compounds ,some compounds are highly soluble some are moderate soluble and and some…

Q: What is the pH of a 0.095 M C6H5CO2H M solution if the K, of C6 10-5? Your Answer: Answer

A: Given, Concentration (C) = 0.0950 M Ka = 6.5 × 10-5 pKa = -log(6.5×10-5 ) = 4.19

Q: -moles of

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

Q: Macmillan Learning What is the concentration of a solution made by diluting 75 mL of 6.0 M HCl to a…

Q: Calculate the volume in militers of a 1AM sodium thiosulfate solution that contains 175. gof sodium…

A: Since, Molarity is the number of moles of solute dissolve in one litre of the solution.

Q: QI:Calculate the formula weights of the following substance :(a) BaCl,.2H,O,…

A: As per our guidelines we can only solve first question. Please resubmit the other questions as next…

Q: Incorrect Question 11 How many ions are present in 30.0 mL of 0.600 M H₂CO3 solution? O 2.17 x 1022…

Q: What is the pH of a 2.05 M solution of NH4CI (Kp of NH3= 1.8 x 10-5)? Your Answer: Answer

Q: Question 16 How many grams of Mg3(PO4)2 can dissolve in 500 mL of water given that Mg3(PO4)2 has a…

A: Given: The volume of water is 500 mL. Ksp is 1×10-24 To find: Mass of Mg3(PO4)2

Q: 3. Which of the following statement/s is/are correct? 1. 6.00 N H2C03 is equivalent to 3.00M H2CO3.…

Q: What is the pH of a 0.40 M solution of NH4CI (K₁ of NH3= 1.8 x 10-5)? Your Answer:

Q: Problem 6: A solutions contains 7.500x10-7 g of lead (Pb) and 100.0 g of H,Oq). How many ppm of Pb…

A: PPM is calculated by dividing the mass of the solute by the mass of the solution, then multiplying…

Q: Find the molarity of a 2.6M KOH solution if 63 ml of solution is diluted to 195 ml?

Q: You know that Ka = 1·8 x 10² dissociation of 0.010 M a) 1.3 percent What is the percent acetic acid?…

A: we have to calculate the percent dissociation of 0.010 M acetic acid

Q: How much of each of the following chemicals is needed to prepare 1,000 mL of both a 1M and a 1N…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Problem 6. A water sample was collected from a deep lake. At 25 C, the pH was measured as 7.0, and…

Q: Macmillan Learning What is the concentration of a solution made by diluting 25 mL of 6.0 M HCl to a…

A: Given,HCl solution: before dilutionConcentration of the solution (M1) = 6.0 MVolume of the solution…

Q: Question 24 Save A 0.250 g sample containing cyanide (26.02 g/mol) was dissolved in a given solvent.…

A: Moles of any given sample= given mass/molar mass Percentage of cyanide can be calculated as: (mass…

Q: 1. For a solution whose pH is 6.0, what is [H+]? If [H+] is 5 x 10-7 M, what is the pH? (answer =…

A: • For a solution,pH = 6.0[H+] = ?• For a solution, [H+] = 5 × 10-7 MpH = ?Note: The relationship…

Q: Which one of the equations below represents what happens when HC,H3O2 is dissolved in water? O…

Q: If a tablet containing 100 mg of caffeine (C3H10N4O2) is dissolved in water to give 10.0 oz of…

A: First we have to calculating the moles of caffeine:

Q: What is the pH of an aqueous solution that has a hydronium ion concentration of [H3O+]= 1.0 x 10-4…

A: The pH of the solution can be calculated as follows: pH=-logH3O+ H3O+=1.0×10-4 moles/liter

Q: (a) Calculate the OH concentration in an aqueous solution at 25°C with an H,O" concentration of 7.15…

A: We will calculate value of hydroxide concentration using formula- [H3O+] [OH-] = Kw

Question

Problem 3: A waste water sample contains 2.092 mmol/L NaCl. Calculate the concentration of
NaCl in mg/L. What are the mmol/L concentrations of Na and Cl. Na = 23 and Cl = 35.5.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1: Given data

VIEW

Step 2: Calculation of concentration of Na and Cl

VIEW

Step 3: Calculation of concentration in mg/L

VIEW

Solution

VIEW

Step by step

Solved in 4 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

General Physical Properties of Organic Compounds

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

help :/
3 attempts left Check my work Be sure to answer all parts. (a) Calculate the OH concentration in an aqueous solution at 25°C with an H,O concentration of 7.15 x 10" M. x 10 M (b) The value of K at 50°C is 5.48 X 104. Calculate the OH concentration from the above solution at 50°C. x 10 M Next
Question 10 What is the pOH of a solution prepared by diluting 128.9 mL of 1.476 M HNO, (ka>>1) to a total volume of 7.94L? Please report your answer to 3 decimal places. * Previous Next
Current Attempt in Progress Which one of the equations below represents what happens when HC2H3O2 is dissolved in water? O HC2H3O2 + H2O. O HC;H;O2+ H2Qe C,H;O2* (aq) + OH(aq) O HC2H;O2+ H20 H3O*(aq) +C2H3O2*(aq) O HC2H;O2+ H20e H3O*(aq) +C2H3O2 (aq) O HC2H3O2 + H20 = 2H*(aq) + OH (aq) + C2H3O2 (aq) H3Oʻ(aq) + C>H3O2" (aq) eTextbook and Media Save for Later Attempts: 0 of Type here to search GH 2:
Solve fast plz part A and B both solve
MCQ question help
!
Problem 6. A water sample was collected from a deep lake. At 25 C, the pH was measured as 7.0, and the dissolved oxygen was 0.32 mg/L. Please calculate the pE and Eh of this water sample.
Question 24 Save A A 0.250 g sample containing cyanide (26.02 g/mol) was dissolved in a given solvent. After addition of the AgNO 3 (169.87 g/mol), a 0.0125 g of ABCN (133.89 g/mol) was obtained. What is the percent of cyanide in the sample? O a. 7.64% O b.1.91% Oc. 19.5% d.9.72%
try 2 (Worksheet) 4 0 Practice Problems Open with 11. If 8.5 g of pure ammonium phosphate, (NH₂),PO (s), is dissolved in distilled water to make 400 mL of solution, what are the concentrations (in moles per litre) of the ions in the solution? 12. A strip of zinc metal was placed in a beaker that contained 120 mL of a solution of copper(II) nitrate, Cu(NO3)2(aq). The mass of the copper produced was 0.813 g. Find the initial concentration of the solution of copper(II) nitrate. 13. When 75.0 mL of silver nitrate, AgNO₂(aq), was treated with excess ammonium carbonate, (NH4)2CO3(aq), 2.47 g of dry precipitate was recovered. Write the net ionic equation for the reaction, and calculate the concentration of the original silver nitrate solution. 14. When an excess of sodium sulfide, Na,S(aq), was added to 125 mL of 0.100 mol/L iron(II) nitrate, Fe(NO3)₂(aq), a black precipitate formed. Identify the precipitate, and calculate the maximum mass of precipitate that can be collected from the…
Question 2
Question 3 3. Which of the following statement/s is/are correct? 1. 6.00 N H2CO3 is equivalent to 3.00M H2CO3. 1I.5.29 % (w/v) H2SO4 is equivalent to 0.539 N H2SO4 III. 1.15 N Mg(OH)2 is equivalent to 16.3 g Mg(OH), in 500 mL solution. (MH2504 = 98.086 g/mol; MH2C03 = 62.026 g/mol; MME(OH)2 = 58.326 g/mol) O l and II O l only O Il and III OI and II