10 An aqueous solution at 25 °C has a H,O' concentration of 7.0 x 10 "M. Calculate the OH concentration. Be sure your answer has the correct number of significant digits. OM

Q: Determine the volume of 0.210 M KOH solution required to neutralize each sample of sulfuric acid.…

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Q: 5. A solution of sodium hydroxide has a density of 1.14 g/mL and contains 32.8% sodium hydroxide by…

A: Dilution :-  If a solution of molarity M1 and volume V1 is diluted by adding water to a solution of…

Q: Calculate the molarity of a solution of 42.64 g of aluminum nitrate, Al(NO3)3, in 1260 mL of…

A: Molarity =no. of moles of soluteVolume of the solution in litre  no. of moles =given massMolar mass

Q: What volume of 1N NaOH in mL should be added to a liter of 0.66 N KOH in order for the resulting…

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Q: 1. a) 5.62g of LIOH is dissolved and made up to the mark in a 500.00ml flask. Calculate the molarity…

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Q: 3 % H2O2 means

A: w/v % = {mass of solute (g) / volume of solution (in mL)} × 100 %

Q: A solution of sodium hydroxide has a SG of 1.14 and contains 32.8% sodium hydroxide by mass. If 40.0…

A: Specific gravity of solution = 1.14 Thus the density of solution will be 1.14 g/mL Mass % of NaOH =…

Q: 2.2 A concentrated perchloric acid solution has a density of 1.67 g/mL at 25°C and is 11.7 M. What…

A: Perchloric acid is a strong monoprotic acid. It readily deprotonates in aqueous solution.

Q: Your protocol calls for a 0.15MM NaCl solution. How would you dilute your 3M NaCl solution to 0.15M…

A: 11) The total volume of the solution is 500μL(0.0005L) The concentration of the solution is 3M. We…

Q: Calculate the volume of 10.2 M HCI that must be used if you want to create 500 ml of 3.00 molar HCI.…

A: Such kind of problems is solved by using the molarity equations. In inorganic laboratories where…

Q: Calculate the molarity of the solution when 14 mL of solution contains 0.128 g of ammonium…

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Q: Calculate the concentration of potassium sulfate in grams per liter if you have 0.250 M Potassium…

A: Given :- molar concentration of potassium sulfate solution = 0.250 M  MM of potassium sulfate =…

Q: Assuming the density of a 5% acetic acid by mass solution is 1.0 g/mL, determine the volume of the…

A: Given,Density = 5%,Mass = 1.0 g/ mlNaOH is 25 ml of 0.1 M5 g of acetic acid in 100 ml of solution.

Q: What mass of sodium chloride would need to be added to the blood to bring the sodium ion…

A: Given : Initial concentration of sodium ion in blood = 0.118 M Volume of blood = 5.0 L And final…

Q: If 0.96 mL of a 0.128 M HCl solution is diluted with water to a total volume of 10.00 mL, what is…

A: By the law of equivalent, M1V1=M2V2 so,

Q: Solution X 8 Solution A Solution B Solution C 00 Which of the solutions have the same molar…

A: Molarity = moles/volume  means it must have same no. Of moles to be the same molar concentration

Q: What is the molarity of a solution prepared by dissolving 213.3 grams of Fe(OH)3 in enough water to…

A: The concentration of the solution is defined as the amount of solute present in the solution. In a…

Q: How many mL of concentrated hydrochloric acid (16.0 M) is required to prepare 251 ml of 6.00 N…

A: The question is based on the concept of solutions. we have been given a stock solution and we have…

Q: If I start with 100. mL of a 0.95 M Fe(NO3)3 solution and dilute it until the final volume is 150…

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Q: Fe (s) + 2 HCl (aq) à H2 (g) + FeCl2 (aq) what volume, in L, of the 0.100 M solution of HCl was…

A: Recall the given reaction   Fes + 2HClaq →H2g + FeCl2aq Here 0.100 M solution of HCl is used.We have…

Q: A solution contains 15 gram of NaOH in a total volume of 190 ml. Express the concentration in terms…

A: Mass of NaOH        = 15 g Volume of solution =  190 mL                                = 0.19 L

Q: How many grams of KOH are present in 35.0 ml of 5.50 M solution? Atomic Masses:K = 39.10; 0 = 16.00;…

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Q: What is the molarity of an H2S04 solution if it takes a volume of 70.0 ml of 0.50 M NaOH to fully…

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Q: How do you calculate the density of a 48.9ml solution of 1.2590M HCl? What about the density of a…

A: Calculate the number of moles of HCl: 1 mL = 0.001 L

Q: concentration of the cation and anion

A:

Q: How are 05 ml of NOOH differents from 0.5 m of NaOH?

A: Here we have to understand what is concentration and what is volume.

Q: Calculate the concentration of NH3, NH4+ and OH- in a solution

A: number of moles = mass/molar mass  molar mass of NH3 = 17g/mol

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

A: Molarity (M) of a solution is defined as the number of moles of solute dissolved per volume of the…

Q: A chemist prepares a solution of sodium nitrate NaNO3 by measuring out 101.μmol of sodium nitrate…

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Q: Calculate the volume of water (in mL) that must be added to 64.2 mL of a 5.92 mol/L NaClO3(aq)…

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Q: You have a standard stock 1.65 M solution of NaH2PO4. For an experiment you require 236 mL of a 0.82…

A: Given that -  Molarity of the stock NaH2PO4 Solution = 1.65 M  Molarity of diluted NaH2PO4 solution…

Q: Why is it more accurate to say that the concentration of a solution of acetic acid is 0.01 F rather…

A: Acetic acid in solution exists as mixture of undissociated acetic acid and dissociated acetic acid…

Q: .600 M NaCi aqueous SC www 0.997 g / cm3

A: When non volatile solutes are added to a pure solvent ,the solution formed have lower freezing point…

Q: 3NaOH= H3PO4----> Na3PO4+ 3H20 A 41.0ml sample of NaOH solution of unknown concentration requires…

A: Given, 24.3 mL of 0.150M  H3PO4 no. Of moles of H3PO4= 0.0243 L × 0.150M No. of moles of H3PO4 =…

Q: 1. When you arrive at the lab, 2.0 M H2SO4(aq) and 2.0 M HC2H3O2(aq) will be present. You will need…

A: Since you have posted multiple questions, according to guidelines I am solving first one.If you want…

Q: Calculate the mass (in g) of potassium hydrogen phthalate (KHP) (molar mass = 204.2 g/mol) required…

A: Answer: Number of moles of NaOH will be the product of its molar concentration and volume, so…

Q: Calculate the volume (in mL to 2 sig figs) of concentrated hydrochloric acid (12 M) needed to make…

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Q: JOH1 Acid/Base 3.45 x 105 3.64 x 1012 1.24 x 10 3 2.57 x 109

A: ★ [H+] = 3.45 × 10-5  pH = - log (3.45 × 10-5) = 4.46  So, It is acid. [OH-] = 10-14/3.45 × 10-5 =…

Q: Calculate the concentration of the chemist's working solution.

A: Given :- Initial concentration of solution =18.8μmol/L  Initial volume of solution = 20.0 mL  Final…

Q: 1. Determine the concentration as a percentage by volume if a 600. mL bottle of vinegar contains…

A: Given: Volume of bottle = 600 mL Volume of acetic acid = 30.0 mL

Q: A chemist adds 315.0mL of a 0.00335μM copper(II) fluoride CuF2 solution to a reaction flask.…

A: Moles can be found out by multiplying volume with molarity.

Q: If 45 mL of a 6.5 M HNO3 solution is added to 55 mL of water, what is the new concentration?

A:

Q: Part A Pure acetic acid (HC,H3O2) is a liquid and is known as glacial acetic acid. Calculate the…

A: Molarity of a solution can be calculated by help of Following formula -    (1) Molarity= mass ×…

Q: If acetic acid is the only acid that vinegar contains (K. = 1.8 x 10 '), calculate the initial…

A: Let  initial concentration  of acetic  acid is A.

Q: A 7.91 mass % aqueous solution of ethylene glycol (HOCH2CH2OH) has a density of 1.36 g/mL. Calculate…

A: Density is defined as mass per unit volume. Mathematically, it is expressed by equation (1).Molarity…

Q: What is the volume in liters that is needed to create a 2.0 M solution with 4.9 moles of Zn(NO3)2?…

A: Given data, Molarity = 2.0 M Number of moles = 4.9 mol To calculate the volume in liters.

Q: A chemist prepares a solution of iron(II) bromide FeBr2 by measuring out 224.μmol  of iron(II)…

A: Number of moles of FeBr2 = 224 x 10-6 mol Volume of water = 200 mL = 200 x 10-3 L

Q: If you are going to dilute 125 mL of 1.50 M AgNO3 solution so that the final volume is 215 mL, what…

A: Given;

Q: Calculate the molarity, M, of KCl when 3.50 g KCI are dissolved in 2.50 x 10 mL of solution. Enter…

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Q: A chemist adds 490.0mL of a 0.339M silver perchlorate AgClO4 solution to a reaction flask. Calculate…

A: Given that,490.0mL of 0.339M silver per chlorate solution.