The end point in a titration of 50.00 mL of aqueous NaOH was reached by the addition of 35.23 mL of 0.250 M aqueous HCI titrant. Calculate the molarity of the NaOH solution. The titration reaction equation is: NaOH(aq) + HCI (aq) —> NaCl(aq) + H2O(l)

Q: To measure the amount of calcium carbonate CaCO3 in a seashell, an analytical chemist crushes a…

A: Given , Reaction :2HCl(aq) + CO32-(aq) → H2CO3(aq) + 2Cl-(aq)

Q: A 14.0 mL sample of vinegar, which is an aqueous solution of acetic acid, CH3COOH, requires 24.5 mL…

A: From the balanced chemical equation:mols CH3COOH(vinegar) = mols NaOH(titrant) mols NaOH = MNaOH x…

Q: A chemistry student in the laboratory titrated 18.00 mL of HCl solution with 58.6 mL of 0.145 M NaOH…

A: For the given chemical reaction :HCl (aq) + NaOH (aq)  NaCl (aq) + H2O (aq)Volume of HCl solution =…

Q: The titration of 25.00 mL of an unknown concentration of H2SO4 solution requires 32.28 mL of 0.420 M…

A: Given, reaction : H2SO4(aq)+2LiOH(aq)→Li2SO4(aq)+2H2O(l)

Q: A chemistry student needs to standardize a fresh solution of sod!um hydroxide. She carefully weighs…

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Q: Acetic acid reacts with sodium hydroxide in the following fashion.  HC2H3O2(aq) + NaOH(aq)     →…

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Q: 7.7 g of citric acid (MM = 192.1 g/mol) can be titrated with NaOH according to the following…

A: By stoichiometry of reaction : At equivalent point : Moles of H3C6H5O7 = Moles of NaOH  given mass…

Q: Potassium sorbate,KC H,O, (molar mass 150. g/mol) is commonly added to diet soft drinks as a…

A: Solution: Dissociation expression is a dissociation constant ( equilibrium constant). For acid…

Q: ou are given a sulfuric acid solution of unknown concentration.  You dispense 10.00 mL of the…

A: Titration is one of the most common method of qualitative analysis of substances given. It is done…

Q: carbonate CaCO3 in a seashell, an analytical chemist crushes a 4.40g sample of the shell to a fine…

A: Firat we need to calculate the moles of HCl required to reach end point. Then using mole ratio we…

Q: The concentration of a hydrogen peroxide solution is determined by titrating it with a 0.1878 M…

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Q: A neutralization reaction occurs when phosphoric acid reacts with sodium hydroxide solution.…

A: Answer :----- Given :---Volume of phosphoric acid solution (H3PO4) = 47.6 mL = 0.0476 LMoles of…

Q: 25.0 mL of 0.212 M NaOH is neutralized by 17.7  mL of an HCl solution according to the equation…

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Q: In one experiment, a 34.9 ml sample of 0.188 M phosphoric acid was titrated with a 0.22 M solution…

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Q: A titration is performed according to the following equation: H2SO4 (aq) + 2 NaOH(aq) → 2 H2O(l) +…

A: From the above balanced reaction we can say that to neutralise 1 mole of H2SO4 we will need 2 moles…

Q: 25 mL of acetic acid was titrated 0.1 M NaOH. The titration required approximately 20.00 mL of NaOH…

A: Given,molarity of NaOH = 0.1 MVolume of NaOH = 20.00 mLVolume of acetic acid = 25 mL

Q: Calculate the concentration of HS in an aqueous solution of 0.111 M hydrosulfuric acid, H2S (aq).…

A: Hydrogen sulphide is weak acid so it does not dissociate completely to furnish hydrogen ion  Thus we…

Q: A chemistry student weighs out 0.0955 g of ascorbic acid (H,C,H,O6), a diprotic acid, into a 250. mL…

A: Molar mass of ascorbic acid = 176.12 g/mol mass o f ascorbic acid = 0.0955 g Number of moles of…

Q: A technician would like to standardize an unknown Ca(OH)2 solution. It takes 33.71 mL of a 0.155 M…

A: Given: The volume of Ca(OH)2 is 25.00 mL. The volume of HCl is 33.71 mL. The molarity of HCl is…

Q: Sodium hydroxide is a strong electrolyte and hydrates in water according to the following equation:…

A: Ph Based question  first find pOH value then pH

Q: A 0.968 gr sample of impure solid sodiumhydroxide NaOH was dissolved in 200 mL of aqueous solution.…

A: Here we are required to find the percentage purity of original sample

Q: A chemistry student in the laboratory titrated 5.00 mL of HCl solution with 28.6 mL of 0.145 M NaOH…

A: Sodium hydroxide reacts with hydrochloric acid, to form sodium chloride and water. The equation for…

Q: Using the following reaction, H2SO4 (aq)  +   2 NaOH (aq)     Na2SO4 (aq) +  2 H2O (l) calculate…

A: The given reaction is, H2SO4 (aq) + 2 NaOH (aq) → Na2SO4 (aq) + 2 H2O (l) Volume of NaOH = 14.92 mL…

Q: A chemistry student weighs out 0.173 g of ascorbic acid (H₂CH₂O), a diprotic acid, into a 250. mL…

A:

Q: A solution of HBr with a volume of 25.00 mL is titrated to the endpoint, with 0.550 M Ba(OH)2. If it…

A: 2HBr(aq) + Ba(OH)2(aq) --> 2H2O(l) + BaCl2(aq)For HBr Solution,Concentration of HBr solution =…

Q: A solution of HBr with a volume of 25.00 mL is titrated to the endpoint, with 0.550 M Ba(OH)2. If it…

A: 2HBr(aq) + Ba(OH)2(aq) --> 2H2O(l) + BaCl2(aq)For HBr Solution,Concentration of HBr solution =…

Q: A buffer solution made from nitrous acid and sodium nitrite was titrated with hydrochloric acid.…

A:

Q: Consider the following acid base titration between H2C3H5O3 (aq) with KOH (aq).    A)Write a…

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Q: If 38.70 mL of 0.290 M NaOH is used to titrate 25.0 mL of phosphoric acid, what is the molarity of…

A:

Q: A titration involves adding a reactant of known quantity to a solution of an another reactant while…

A: Answer:Buffer solution is a type of solution that resists the change in its pH on adding small…

Q: A student performs a titration between 10.0 mL of a 0.25 M weak acid HA(aq) (Ka = 2.45 x 10 −5) and…

A: GIVEN: Volume of weak acid, HA =10.0 mL  Concentration of weak acid, HA = 0.25 M Ka = 2.45 x 10 −5…

Q: Acetic acid reacts with sodium hydroxide in the following fashion.HC2H3O2(aq) + NaOH(aq) → H2O(l) +…

A: Given  Volume of acetic acid ( V1 )  =  2.50 mL                                               =…

Q: In a different titration experiment, it took 27.2 mL of a 0.102 M solution of NaOH to titrate 20.00…

A: Answer =  0.139 M

Q: A chemistry student needs to standardize a fresh solution of sodium hydroxide. He carefully weighs…

A: Here we are required to find the Molarity of sodium hydroxide solution required for standardization…

Q: A chemistry student weighs out 0.166 g of ascorbic acid (H,C,H,O), a diprotic acid, into a 250. mL…

A: Ascorbic acid reacts with sodium hydroxide to form sodium ascorbate and water. The equation for the…

Q: A chemistry student needs to standardize a fresh solution of sodium hydroxide. She carefully weighs…

A:

Q: In a titration experiment, 46.0 mL of 0.085 M acetic acid, CH3COOH, is titrated with the 0.250 M…

A: Axid-base titration is a useful technique for the determination of the unknown concentration with…

Q: A chemistry student weighs out 0.361 g of ascorbic acid (H₂C H₂O), a diprotic acid, into a 250. ml.…

A:

Q: sample of solid calcium hydroxide is allowed to stand in water until a saturated solution is fomed.…

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Q: Determining the volume of base needed to titrate a given mass of acid A chemistry student weighs out…

A: Titration is a process that is employed in chemistry laboratories to determine the concentration of…

Q: A technician would like to standardize an unknown Ca(OH)2 solution. It takes 18.26 mL of a 0.191 M…

A:

Q: In a titration, 20.0 g of oxalic acid dihydrate was dissolved in a flask and neutralized with 31.2…

A:

Q: A 6.404 gram sample of sodium hydroxide (NaOH) is mixed with 22.50 mL of a 0.642 M HCl solution.…

A: Given: mass of NaOH = 6.404 g molar mass of NaOH = 40 /mol moles of NaOH = massmolar mass…

Q: A student titrates a 10.00-mL sample of an HCI solution, using a 0.365 M solution of NaOH. She finds…

A:

Q: A chemistry student needs to standardize a fresh solution of sodium hydroxide. He carefully weighs…

A: The reaction of oxalic acid and NaOH is H2C2O4 +2NaOH →Na2C2O4 + 2H2O

Q: You are performing an experiment in lab that involves the titration of 25.0 mL of H2SO4 solution.…

A: Interpretation-  To determine the molarity of the  H2SO4 in the flask by using the equation which is…