You have 250. mL of 0.136 M HCl. Using a volumetric pipet, you take 25.00 mL of that solution and dilute it to 100.00 mL in a volumetric flask. Now you take 10.00 mL of that solution, using a volumetric pipet, and dilute it to 100.00 mL in a volumetric flask. What is the concentration of hydrochloric acid in the final solution?

Q: What mass, in grams, is needed to make 125 mL of a 1.073 M solution from a solute whose molar mass…

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Q: Vinegar can be assayed to determine its acetic acid content. Determine the molarity of acetic acid…

A: Molarity is defined as number of moles of solute dissolved per litre of the solution.…

Q: The final volume of the solution is 284 mL. What is the concentration of CUSO4 in the final…

A:

Q: One hazard of mixing household cleaning chemicals is that unwanted reactions can occur to form…

A: Given :-  Molarity of NaOCl = 0.90 M = 0.90 mol/L   Volume of NaOCl = 100. mL = 0.100 L  Total…

Q: Imagine you transferred 5.00 mL of 1.75 M HCl solution into an empty 200.00 mL volumetric flask then…

A: Given is Initial Volume of HCl solution = V1 = 5 mL Molarity of HCl solution = M1 = 1.75 M Final…

Q: Titration shows that a 5 mL sample of nitrous acid, HNO2, has a concentration of 0.5 M. If 8 mL of…

A: The balanced chemical equation for the reaction of nitrous acid(HNO2) with Mg(OH)2 can be written…

Q: What is the final concentration of the diluted solution if a student was asked to prepare a new HCl…

A: Given: Concentration of stock HCl solution = 12 M Volume of stock solution taken = 0.50 mL  And the…

Q: Consider the reaction when aqueous solutions of magnesium sulfate and lead(II) nitrate are combined.…

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Q: A solution is prepared by dissolving 45.6 g of Mg(NO3)2 in 515 g of water. The density of the…

A: Definition: Molarity is a concentration term for a solution. The molarity of a given solution is…

Q: There are 21.19 grams of acetic acid, CH3COOH in 1.83 Liters of solution. What is the concentration…

A: Molarity is defined as number of moles of solute divide by volume of solution

Q: How many moles and numbers of ions of each type are present in the following aqueous solution? 71.8…

A: Magnesium chloride is highly soluble in water and thus it exists in solution as-   Therefore, 1…

Q: A 5.00-g sample of vinegar is titrated with 0.108 M NaOH. If the vinegar requires 39.1 mL of the…

A: Given: The mass of the vinegar=5.00 g The concentration of NaOH=0.108 M The volume of NaOH=39.1m…

Q: A chemist needs 225 mL of 2.4 M HCl. What volume of 12 M HCl must be dissolved in water to form this…

A: To calculate the volume of a definite molarity of a solution required to prepare solution of other…

Q: A student titrates an unknown amount of potassium hydrogen phthalate (KHC8H4O4, often abbreviated…

A: An acid reacts with base to form salt and water. This reaction is known as neutralization reaction.

Q: A student titrates an unknown amount of potassium hydrogen phthalate (KNC8H4O4, often abbreviated…

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Q: 4. What volume of 0.1000 mol/L. NaOH(aq) is needed to react completely with 20 mL of 0.1805 mol/L…

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Q: Exactly 10.0 grams of iron(III) sulfate (molar mass = 400 g/mol) was dissolved in enough water to…

A:

Q: If 211 mL of water is added to 5.00 mL of 3.24 M NaCI solution, what is the concentration of the new…

A: N1= 3.24M V1= 5.00 mL N2= ?? V2=211mL+5mL=216mL

Q: In the following reaction, what mass of copper(Il) hydroxide is produced by mixing 8.06 mL of a…

A: Recall the given reaction ,  Cu(NO3)2 (aq)  +  2 NaOH (aq)  ------->  Cu(OH)2 (s)  +  2 NaNO3…

Q: Suppose you have 100.00 mL of an HCl solution and transfer 2.00 mL of it to a 100.00-mL volumetric…

A: The final diluted sample has concentration = 0.000158 M

Q: Thallium(I) sulfate is an active ingredient in rat poison. We can analyze a sample for the mass…

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Q: Zinc and magnesium metal each react with HCl according to the following equation: Zn + 2 HCl= ZnCl2…

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Q: Suppose you took a 3.00 mL sample of HNO3 (aq) of an unknown concentration, and find that you have…

A: Given: Volume of HNO3 = 3.00 mL Volume of NaOH solution = 20.30 mL Molarity of NaOH solution = 0.106…

Q: Oxalic acid crystals have the molecular formula (CO2H)2 ∙2H2O. Calculate the molarity of a solution…

A: Molarity is defined as the number of moles of solute dissolved per liter of the solution.  That is,…

Q: For each part of this question, consider the following scenario: You need to make a stock solution…

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Q: When solutions of iron (III) nitrate and sodium hydroxide are mixed, a red precipitate forms. Write…

A: Please find your solution below :

Q: If you are asked to prepare a 3.10 M NaOH solution in the laboratory, to what volume should you…

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Q: 3. A 5.0 mL sample of a stock solution of concentrated HNO3, a strong acid, is diluted with…

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Q: A sample of 1.975 g oxalic acid dehydrate (H2C2O4 . 2H2O) was dissolved in enough water to make a…

A:

Q: In the laboratory, a student dilutes 25.3 mL of a 8.46 M hydrobromic acid solution to a total volume…

A: Concept: When we dilute the solution the moles of solute remain constant. The mole of solute can be…

Q: A volume of 10 mL of an unknown hydrochloric acid sample was diluted to 100 mL. The diluted solution…

A:

Q: A student titrates an unknown amount of potassium hydrogen phthalate (KH8C8O4 , often abbreviated…

A: Given information: Volume of NaOH = 20.46 mL Concentration of NaOH = 0.100 M Molar mass of KHP =…

Q: How many moles and numbers of ions of each type are present in the following aqueous solution? 51.7…

A: Given : Concentration of MgCl2 = 1.35 M And volume of MgCl2 solution = 51.7 mL = 0.0517 L…

Q: What mass of oxalic acid dihydate, H2C2O4•2H2O, is needed to make a 0.498 M solution of oxalic acid…

A: Molarity of a solution is defined as the number of moles of solute present in one liter solution. It…

Q: If 74.3 mL of 0.777 M HCl is diluted to a total volume of 152 mL and then 25.0 mL of the diluted HCl…

A:

Q: One hazard of mixing household cleaning chemicals is that unwanted reactions can occur to form…

A:

Q: Vinegar is a solution of acetic acid, HC2H3O2, dissolved in water. A 5.54-g sample of vinegar was…

A: The molarity of a solution is defined as the number of moles of solute present in one-liter…

Q: Suppose you are titrating vinegar, which is an acetic acid solution of unknown strength, with a…

A: Apply M1V1 = M2V2

Q: In the laboratory you dissolve 22.7 g of potassium bromide in a volumetric flask and add water to a…

A:

Q: A chemist prepares a solution of magnesium fluoride (MgF2) by measuring out 0.0553 g of magnesium…

A: Concentration in mol/L = Number of mols of solute/Volume of solution (L) Number of mols =mass/molar…

Q: Suppose you are titrating vinegar, which is an acetic acid solution of unknown strength, with a…

A: Acetic acid solution of unknown strength is titrated using sodium hydroxide solution. Recall the…

Q: A student pipets 18 mL of a lithium sulfate solution into a 164 mL volumetric flask and dilutes to…

A: We have to calculate the concentration of the original solution.

Q: A student pipets 12 mL of a lithium sulfate solution into a 163 mL volumetric flask and dilutes to…

A: With datas given Using dilution formula , the concentration of NaNO3 in the original solution is…

Q: When potassium chloride, KCl, is added to a solution of lead nitrate, Pb(NO3)2, a bright yellow…

A: Using the moles concept to calculate the moles of kcl required.  Then to calculate volume.

Q: 0.41g of an unknown acid, HA, titrated with NaOH. If the acid reacts with 28.10 mL of 0.1055 M NaOH…

A: Given data,   28.10 mL = 0.02810 L of NaOH   Molarity of NaOH =0.1055 M

Q: Hydrochloric acid, HCl, and calcium hydroxide, Ca(OH)2, react with each other in a neutralization…

A: The reaction taking place will be  Ca(OH)2 + 2 HCl ------> CaCl2 + 2 H2O

Q: In the laboratory, a student dilutes 11.8 mL of a 11.1 M perchloric acid solution to a total volume…

A: molarity is defined as the number of moles upon the volume  molarity =molesvolume

Q: Suppose you were preparing 1.0 L of a bleaching solution in a volumetric flask, and it calls for…

A: The answer to the following question is given as:

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

A: Let the mass of solution is 100 g Given  mass of HCl will be 36.0 g Number of moles of…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.