Express the volume in milliliters to three significant digits.   (1.) How many milliliters of 0.120M HCl are needed to completely neutralize 40.0 mL of 0.103  M  Ba(OH)2 solution?

Q: Q1// (A) Solution of Ba(OH)2 is standardized by titration against 0. 128 N HCI solution, 31.76 ml of…

A: In this question, we want to determine the Normality of Ba(OH)2 Solution.  You can see details…

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Q: Your laboratory uses an analytical instrument for lead (Pb) that requires calibration with four…

A: Solution - According to the question - Given - M2 = 50 µg/ml V2 = 95 ml + 5 ml = 100 ml V1 = 5 ml…

Q: If the saturation limit of a solute is 12 g in 100 mL, then a solution containing 3.0 g of solute…

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Q: A 50.0 mL portion of a 0.525 M sucrose solution was diluted to 5.00 ×102 mL. What is the molar…

A: C1V1= C2V2 Expressed is used to find the concentration of the diluted solution

Q: How do you prepare a 196.0-mL of 0.097 M NaOH solution? a.From dissolving solid NaOH b.From a 4.50 L…

A: Concept - Molarity is moles of solute present in 1L if solution. In a part, we have to calculate the…

Q: An aqueous solution of sodium hydroxide is standardized by titration with a 0.128 M solution of…

A: Concentration of hydroiodic acid=0.128M Volume of base =13.3 mL Volume of acid =15.6 mL

Q: If water is added to 50.0mL of 1.20M KCI until the total volume is 150.ML, what is the molarity of…

A: Given:M1 = 1.20 M.V1 = 50.00 mL.V2 = 150.0 mL.

Q: If 35.3 mL of a 0.288 M hydrochloric acid solution is needed to neutralize a solution of potassium…

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Q: what masses of solute and solvent are present?

A: Number of moles = Molarity × Volume(L)  Molar mass of LiCl = 42.394 g/mol  Solution = solute +…

Q: 1. When a solution of aluminum sulfate and sodium hydroxide are mixed, a white gelatinousprecipitate…

A: a) The equation for the reaction is

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A: molarity is defined as no of moles of solute devided by volume of solution in liter

Q: If 5.77 grams of table salt (NaCl) are dissolved in a total volume of 30 mL of water what is the…

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Q: 25 mL of a 100 mM zinc hydroxide were added to a beaker containing 4 mL of 1M hydrochloric acid…

A: Calculate the number of moles of zinc hydroxide. Number of moles = Concentration (M) × Volume…

Q: We have an HCl solution with a density of 1.1691 g/mL (34% in weight) which we may use to neutralize…

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Q: A sample of 7.44 grams of magnesium chloride is weighed out on a balanced and prepared to a volume…

A: Interpretation: A sample of 7.44 grams of magnesium chloride is weighted out on a balanced and…

Q: Suppose you had used 4.00 grams of NaOH(s) in reaction 1. What would have been the number of Joules…

A: According to the reaction,∆H, energy released=-45 kJ/molthat means, for 1 mole of NaOH -45 kJ/mol…

Q: Find the milliliters of 0.250M KOH needed to neutralize 115.0 mL of 0.834 M H,PO,. Write and balance…

A: The balanced chemical equation for the neutralization reaction between KOH and H3PO4 is  3 KOH +…

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Q: Question 5

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Q: Suppose you had used 4.00 grams of NaOH(s) in Reaction 1. What would have been the number of Joules…

A: The equation given is  NaOH (s) → Na+ (aq) + OH- (aq) For the dissociation and dissolution of NaOH…

Q: 4. The density of 20.0% NaOH (by weight) is 1.22 g/mL. What is the molarity of 20% NaOH?

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Q: How many milliliters of a 6.00M NaOH solution are needed to provide 0.350 mil of NaOH?

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A: CH3COOH  +   NaOH  ---->   CH3COONa  +  H2O Number of mol of NaOH = Number of mol of CH3COOH…

Q: According to the label on a bottle of concentrated hydrochloric acid, the contents are 36.0% HCl by…

A: Molarity of HCl = (mass% x density x 10)/ molar mass = (36g x 1.18 g/ml x 10 )/ 36.5 = 11.6 M

Q: if 25.0ml of 0.104 m bacl solutions is pipetted into 100. ml volumetric flask and water added to the…

A: Given data => Intial volume = 25mL = V1 Intial concentration = 0.104m = M1 Final volume = 100mL =…

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Q: A student needs to make 250 mL of 1.4 M Fe(NO3)3 by dilution. How many milliliters of a 5.0 M…

A: Given data :  Initial molarity of Fe(NO3)3 (M1) is 5.0 M Final volume of Fe(NO3)3 (V2) is 250 mL.…

Q: A student weighs out a 3.79 g sample of potassium nitrate, transfers it to a 250 mL volumetric…

A: Given, mass of KNO3 = 3.79 g. Volume of the solution = 250 mL = 250 mL×1 L1000 mL = 0.25 L. We have…

Q: The water in lakes that have been acidified by acid rain (HNO3 andH2SO4) can be neutralized by a…

A: Molarity: The number of moles of solute present in one liter of solution. It is denoted by M. The…

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Q: a. What is the mass percent of NaCl if 6 grams of NaCl dissolved in 123 grams of solution?  b. What…

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Q: A student uses a pipette to dilute 1.00 mL of a standard iron solution to 50.0 mL. If the µg what…

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Q: What volume, in mL, of 0.264 M HCl is needed to neutralize 15.0 mL of 0.404 M Sr(OH)2? Express your…

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Q: The amount of I3- in a solution can be determined by titration with a solution containing a known…

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A: Given: Normality=0.25 NVolume=40.0 mL To find: Mass of Potassium acid phthalate

Q: Isotonic saline solution has a mass % NaCl concentration of 0.900 %. Assuming its density is 1.00…

A: Given, Density of isotonic solution = 1.00 g/ml Mass percent of NaCl = 0.900 % 0.9 % means 0.9 g of…

Q: 3. In a given dilution, the volume of the solution increases from 10.00 mL to 50.00 mL. We can…

A: The number of moles remains constant. Let the molarity of original solution be M1 and the molarity…

Q: wish to prepare 500. mL of 0.100 M K2Cr2O7 solution from a 0.250 M solution. Assuming that volumes…

A: Given,  Initial Molarity (M1) = 0.250 M Initial Volume = V1 Final Molarity (M1) = 0.100 M Final…

Q: The forensic technician at a crime scene has just prepared a luminol stock solution by adding 14.0 g…

A: Molarity of any solution can be determined by dividing the number of moles of solute by the volume…

Q: What mass in grams of KCI is there in 115 mL of a 2.50 M KCI solution? (5 points) What volume, in mL…

A: Given, molarity of KCl solution = 2.50 M volume of KCl solution = 115 mL = 115 mL × (1 L / 1000 mL)…

Q: What is the density (g / ml) of a solution of 2525 ml and 1.9 kg?

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Q: In one trial of the standardization of a Na2S2O3 solution, a 10.00 mL volume of 5.00×10-3 M KIO3 is…

A: We have to calculate the Molarity of sodium thiosulfate .