Consider the following reaction: 2 CN- + 5 ClO- + H2O --> N2 + 2 HCO3- + 5 Cl- How many Liters of 0.153M ClO- are needed to remove the CN- in 1.7x106 L of wastewater in which the CN- concentration is 0.63 mg/L?

Q: Solution A is prepared by dissolving 95.8 g of Na3PO4 in enough water to make 1.50 L of solution.…

A: Given: For solution A  Volume of water= 1.50L  Na3PO4=95.8 g  For solution B Volume= 2.50L Molarity…

Q: A 166-mg sample of Na2CO3 is dissolved in H20 to give 2.95 L of solution. What is the concentration…

A: 1. Solution - According to the question - Given - Mass = 166 mg Volume = 2.95 L Concentration of Na+…

Q: If 20.0 mL of a 6.0M HNO3 is diluted to 120mL, what is the final molarity of HNO3 after dilution?

A: Given data contains, Initial volume is 20.0 mL=0.02 L. Initial molarity is 6.0M HNO3. Final volume…

Q: A lab technician dilutes 45.5mL of a 1.50mol/L sodium chloride to a final volume of 200.0mL. What is…

A: Molarity is defined as moles of solute present per liter of a solution.

Q: lab technician prepares a "stock" solution of CuSO4 by adding 79.80g of CuSO4 to enough water to…

A: Provided amount of CuSO4(w)=79.80g Molar mass of CuSO4(m)=159.609g/mol Volume of stock…

Q: 3.48M stock solution of table salt. How much of this solution (mL) would you need to use to make…

A: Initial concentration of stock solution, Minitial = 3.48 M Final concentration of solution, Mfinal=…

Q: What volume of 5.00 M sodium hydroxide is needed to prepare 200.0 mL of 0.100 M sodium hydroxide

A: At first stock solution of 5.00 M sodium hydroxide (more concentrated) is present. From the stock…

Q: What is the molarity (molar concentration) of a NaOH solution which required 20.00 ml of this…

A: Molarity is defined as total number of solute present in 1000 ml of solution .   For neutralisation…

Q: A dilute solution of sodium hydroxide was prepared by adding 42.1 mL of 1.02 M sodium hydroxide,…

A: The amount of solute present in the given solution is expressed in various concentration units such…

Q: of the below steps for the calculation of isotonic solutions with sodium chloride equ rrect? Step3…

A:

Q: 42.35 mL H2SO4 is neutralized with 21.15 mL of 0.500 M NaOH.   1. which of the following is true…

A: In a neutralization reaction, the actual reaction occurs between hydrogen ions and hydroxide ions.…

Q: For the following reaction: 2 HCIO4 + Ca(OH)2 → Ca(CIO4)2 +2 H2O (1) What is the equivalent mass of…

A: Equivalent mass:- It is equal to the mass of a given substance which will combine with or displace a…

Q: If 1.00 g of MGF2 (MM = 62.31g/mol) is added to 500. mL of pure water, how many grams will dissolve?…

A:

Q: a solution is 0.87M in hydrochloric acid, how many moles of hydrochloric acid are in 586.1 mL of…

A: Given, molarity = 0.87 M Volume of solution = 586.1 ml 1000 ml = 1L 586.1 ml = 0.5861 L Number of…

Q: Consider the following six beakers. All have 100.0 mL of an aqueous 0.1 M solution of the following…

A: pH of six beakers:

Q: What volume (in mL) of a 0.316 M H,SO4 solution is needed to neutralize 46.0 mL of a 0.265 M NaOH…

A:

Q: How many milliliters of a 0.40 M solution of hydrochloric acid are necessary to neutralize 25 mL of…

A:

Q: want to dilute my lab’s stock solution of 11M NaOH. I pour 18.0ml of the stock solution into a…

A: Given : M1 = 11 M V1 = 18 ml M2 = 2.2 M

Q: Using the available salt (NaCl, KBr and KI) prepare 100 mL stock solutions containing 4000 mg/L of…

A: Given concentration of halide in stock solution=4000 mg/L= 4 g/LVolume of stock solution to be…

Q: for a 0.0342 M aqueous solution of aniline, C6H5NH2 (Kb = 7.4E-10), determine the following. Kw =…

A: Given data : The aqueous solution of aniline ( C6H5NH2 ) = 0.0342 M Kb of of  aniline ( C6H5NH2 ) =…

Q: How many milliliters of 5.0 M copper sulfate solution must be added to 228 mL of water to achieve a…

A:

Q: A dextrose solution contains 40.0 mEq/L Na+ and 15.0 mEq/L HPO42−, in addition to other ions.How…

A: Given, Na+ ion concentration = 40.0 mEq/L HPO42- ion concentration = 15.0 mEq/L

Q: What volume of sodium thiosulfate and water are needed to make 250 mL an approximate 0.10 M solution…

A:

Q: 10 L of a solution that has a concentration of 20%v/v EtOH is mixed with 50 L of a solution that has…

A: Answer: Volume is the extensive property that's why it is additive, so to solve this question we…

Q: How many liters of 4.3 M Li2O solution are required to make 5L of 2.1 M Li2O

A: Formula

Q: 3. How many milliliters of 0.1 N sodium hydroxide will be needed to neutralize a 25.00-mL solution…

A:

Q: A solution contains 35 mg% (35 mg/100 mL) of Ca++ ions. Express this concentration in terms of…

A:

Q: The concentration is 0.045 molar and the average volume is 0.358 What is the concentration of…

A: Here we have to calculate concentration of ascorbic acid in the vitamin C solution of titration 1.

Q: How many mL of 0.468 M HNO3 are needed to dissolve 8.72 g of MgCO3? 2HNO3(aq) + MgCO3(s)-->…

A: Concentration of HNO3 = 0.468M Mass of MgCO3 = 8.72g Calculate the volume in ml.

Q: Concentrated 112.0 M2 hydrochloric acid is sold for household and industrial purposes under the name…

A: For equal number of moles, the product of mass and volume is constant. So, under initial and final…

Q: Fifty milliliters (mL) of a 0.10N solution of sodium thiosulfate, Na2S2O3, is to be diluted to make…

A: Dilution It is the process of addition of solvents to obtain a less concentrated solution than the…

Q: you want to make 100 mL of a 1.50 M solution of sodium hydroxide from a 5.00 M NaOH stock solution.…

A: • The values provided in the question are:-    i) Initial concentration of NaOH solution, M1 = 5.00…

Q: 2. Lisa, a librarian at the Knights of Favonius, is also a great potion maker. She wants to create a…

A: When two solutions of potassium dichromate, K2Cr2O7 are added, both the moles and volumes are added…

Q: (a) How many milliequivalents of sodium ion are present in 320. mL of solution?   Milliequivalents…

A: Amount of particular ion  = Concentration of solution × volume of solution  As Concentration =…

Q: What is the volume, in milliliters, of each of the following diluted solutions? A 1.2 MM HClHCl…

A:

Q: Nickel (II) Nitrate solution is a pretty green color. If you were to add 12.0 grams of solid nickel…

A: Mass of Nickel (II) Nitrate ( Ni(NO3)2 ) = 12 grams Volume of solution = 250 mL = 0.250 L

Q: You have 115.6mL of a 4.55M MgCl2 solution. You want to make a 2.33M MgCl2 solution, howmuch water…

A: From dilution law M1V1 = M2V2 we can find the final volume because on dilution the number of moles…

Q: How many milliliters of water are present in 250.0 mL of a 15.0% by volume aqueous hydrochloric acid…

A:

Q: aneah needs to make 350.0 mL of a 0.150 M H2SO4 solution. What volume (in mL) of concentrated H2SO4…

A: The acidity of an acid is measured by calculating the number of H+ ions it liberates when dissolved…

Q: Calculate either [H3O+][H3O+] or [OH−][OH−] for each of the solutions at 25 °C.25 °C. Solution A:…

A: Ionic product of water will be the product of concentrations of H3O+ and OH- at a particular…

Q: Calculate the dilution of 0.1 mL serum in 0.9 mL water.

A: Given  Volume of serum  =  0.1 mL  Volume of water   =  0.9 mL Dilution = ?

Q: The 08malic presqune associated welh salution in ä dialysis bag is 10.8 atma 25°C. What…

A: Given: Osmotic pressure of glucose = 10.8 atm Osmotic pressure of NaCl = 3×10.8 atm Temperature =…

Q: For the following reaction: H2CO3 + 2 NaOHNa2CO3 + 2 H2O (1) What is the equivalent mass of H2CO3?…

A: Basicity of acid :-  The number of replaceable hydrogen atoms present in an acid is known as…

Q: A Pasig river water sample was analyzed by the students and found to have 25.2 milligrams of lead in…

A: Concentration of any solution can be calculated in terms of ppm. ppm stands for parts per million…

Q: Sally is going to use the stock solution of drug-A she made in the above question. From the stock…

A: Given: Stock solution molarity M2=100 mM M1=0.3 mM V1=40 ml To find: Volume of stock solution…

Q: How many grams per milliliter of NaCl (58.5)are contained in a 0.250M

A: Molarity of NaCl = 0.250 M Molar mass of NaCl = 58.5 g/mole  Grams of NaCl per mL = ?

Q: 0.2g NaOH is dissolved in water and the volume of the solution is reached to 100mL what is the…

A:

Q: A cough syrup, which comes in a concentrated syrup, contains red dye #40. The red dye #40 syrup is…

A: The molarity of original syrup is 4.68×10-3 M. The concentration of original solution is diluted by…

Q: How many milliliters of water are present in 250.0 mL of a 15.0% by volume aqueous hydrochloric acid…

A: volume by volume percentage is a measure of the concentration of a substance in a solution. It is…

Q: Based on Osmosis, what happens to the size of a small piece of a sliced mango if it is immersed in a…

A: Osmosis is a process in which solvent diffuses from a solution where the concentration of solute is…