A volume of 125.0 mL of 0.565 M KOH (aq) is diluted with 425.0 mL of pure water.  What is the final concentration (in molarity) of KOH? Report to three significant figures

Q: 164.00 mL of 0.200 M Cu(NO3)2(aq) is mixed with 93.000 mL of 0.400 M NaOH(aq). Assuming 100% yield,…

A: The chemical reaction is: Cu(NO3)2 (aq) + 2NaOH (aq) →Cu(OH)2 (s) + 2NaNO3 (aq)

Q: The following chemical reaction takes place in aqueous solution: 2 AgNO3(aq)+(NH,),CO;(aq)…

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Q: What volume (in mL ) of 0.160mol / L calcium hydroxide , Ca(OH) 2 (aq) , is needed to completely…

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Q: .A student takes 20 mL of 3M HNO3 solution and dilutes it to 250 mL i a volumetric flask. What is…

A: Molarity = number of moles / Litre

Q: Many remote villages depend solely on wells to supply their drinking water. A ground water analyst…

A: we have to calculate volume of sample of well water

Q: Calculate the molar concentration of the solution formed when 69.68 g of MgSO4 * 6 H2O is dissolved…

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Q: What is the concentration of an aqueous sucrose solution that is prepared by dissolving 171.2 g of…

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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: You are given a clear solution. You are told that the solution is a 50.0 wt% solution and the molar…

A: Let total mass 100 g Mass of solute 50g. Mass Of solvent = 50g Density = 1.07g/cm3 Volume of solvent…

Q: In an experiment involving the extraction of essential oils from a plant, 7.5 mL of benzene (C6H6,…

A: Volume of hexane = 25.00 mL Volume of benzene = 7.50 mL Density of benzene = 0.8765 g/mL Density of…

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: The following chemical reaction takes place in aqueous solution: 2 AgF(aq)+(NH,),CO;(aq)…

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Q: The following chemical reaction takes place in aqueous solution: Fe,(So4),(aq)+3 K,S(aq) →Fe,S3(s)+3…

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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: What concentration of Zn is present in solution when 5.93 g of zinc metal is used to displace…

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Q: Acetonitrile 1CH3CN2 is a polar organic solvent that dissolves a wide range of solutes, including…

A: Density It is defined as mass per volume. It is represented by the formula. Density=massvolume Mass…

Q: Consider Palmitic acid C16H32O2, a common fatty acid used in the manufacture of soap. A solution of…

A: The formula used to find out the volume and strength or concentration in the case of volumetric…

Q: What is the mass of the solute (in grams) in 325 mL of 1.8×10–6 M FeSO4, the minimum concentration…

A: molarity  = (no. Of moles of solute ÷ volume of solution in liter) Given volume = 325 ml = 0.325…

Q: The following chemical reaction takes place in aqueous solution: 2 AGNO,(aq)+K,CO3(aq) → Ag,CO3(s)+2…

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Q: A 36.0 mL sample of aqueous sulfuric acid was titrated with 0.250 M ROH(aq) until the acid-base…

A: Molarity equation The equation that is used to calculate the concentration of acid or base in a…

Q: The following chemical reaction takes place in aqueous solution: Fe, (SO.),(aq)+3 (NH,),S(aq)…

A: We have to predict the net ionic equation for the given reaction .

Q: An aqueous solution of manganese (II) iodide,MnI2,is made by dissolving 21.1 grams of manganese(II)…

A: Weight/Volume percentage = it tells about amount of solute present per 100 mL of solutionWeight of…

Q: concentration, if you have an available 2M stock solution of Palmitic acid? How many mL of the 2M…

A: Here solute is palmitic acid and solvent is benzene Amount of solute mp               = 112g Volume…

Q: The following chemical reaction takes place in aqueous solution: 2 AgF(aq)+K,S(aq) → Ag,S(s)+2…

A: To determine whether or not a reaction occurs, we use the solubility rules. If both products are…

Q: The fish canning industry has a waste effluent with the specification as follows: BOD5 = 150 mg/L,…

A: High levels of BOD and COD can be treated with the help of ozone. Ozone is an oxidant and is soluble…

Q: In the laboratory you dessolve 22.3g of iron (III) fluoride in a volumetric flask and add water to a…

A: The number of moles of solute to the volume of solution in liters is known as molarity.

Q: Calculate the mass of NaOH pallets in grams needed to prepare 50 mL of 0.25 M NaOH solution. The…

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Q: What mass of salt (NaCI) in grams (g) is required to prepare 2.552 L ofD51/¼NS solution? Give your…

A: Given that : The volume of D514NS solution = 2.552 L We have to calculate the mass of NaCl required…

Q: In the analysis of an iron ore by precipitation of the iron as Fe(OH)3, what weight of the sample…

A: Mass% is equal to ratio of the mass of the substance to the total mass of the substance multiplied…

Q: artaric acid, H2C4H4O6, is a diprotic acid that naturally occurs in the production of apple wine.…

A: Given data,Total volume of wine sample=50mLVolume of NaOH used for…

Q: (a) A student carries out a titration to find the concentration of some sulfuric acid. The student…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: As a chemist, you are tasked to submit a written report about the key solutes dissovled in the sea,…

A: Here, we have to write a report about the key solutes dissolved in the sea, the concentration of…

Q: What volume (in mL) of 0.107 mol/L calcium hydroxide, Ca(OH)2(aq), is needed to completely…

A: Given: Concentration of Ca(OH)2 = 0.107 M Concentration of H3PO4 = 0.122 M And volume of H3PO4…

Q: The following chemical reaction takes place in aqueous solution: 2 AGNO,(aq)+K,CO3(aq) →Ag,CO3(s)+2…

A: Here, we shall answer only the first question which allows us to write the Net-Ionic Equation for…

Q: On their third titration trial, the CHM 111 student used 18.80 mL of 0.205 M NaOH(aq) to neutralize…

A: Balanced Reaction HCl (aq) + NaOH (aq) ---> H2 O (l) + NaCl(aq)  Volume of NaOH = 18.80 mL…

Q: The maximum permissible amount of cadmium (M=112 g/n) in drinking water is 0.01 mg/L. What is the…

A: Given that : The maximum permissible amount of cadmium in drinking water is 0.01 mg/L. We have to…

Q: You

A: You can used the formula direactly,  ( M2 • V2 ) resulting Solution = ( M1 • V1 )stock solution…

Q: Potassium cyanide is a toxic substance, and the median lethal dose depends on the mass of the person…

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Q: A 36.0 mL sample of aqueous sulfuric acid was titrated with 0.250 M KOH(aq) until the acid-base…

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Q: What is the weight percentage of hydrochloric acid (HCI, molar mass = 36.46 g/mol) in an aqueous…

A: The Molality of solution is the number of moles of solute present in one kilogram of solvent. It is…

Q: How many grams of HCl(s) are there in 300 mL of 4.50% w/v HCl(aq) solution?

A: Weight/Volume (w/v) percentage is a measurement of the concentration of a solution. This…

Q: The density of an aqueous solution containing 40.0% sulfuric acid (H2SO4) by mole is 1.681 g/mL. b)…

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Q: If 426 mL of 0.204 M HCI solution is needed to neutraize a solution of Ca(OH)2. how many grams of…

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Q: Determine the volume of 0.116 M Li3PO4 and 0.0871 M Mg(C2H3O2)2 solutions needed to form 135 g of…

A: Number of mols = volume in L × concentration in M Number of mols = weight / molecular weight

Q: Concentration of NaOCl in Full-strength Commercial Bleach:   A diluted bleach solution was found…

A: Given that : Concentration of the diluted bleach solution = 0.0284 M The volume of original solution…

Q: A reaction is performed where 10.0 g K2S(s) are added to 250.0 mL of a 0.855 M HCl (aq) solution.…

A: The balance chemical reaction ,                                            K2S + 2HCl = H2S + 2KCl…

Q: If the solubility of NaCl in water is 35.7g NaCl / 100g H2O, what is the minimal volume of water…

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Q: The following chemical reaction takes place in aqueous solution: MgCl,(aq)+2 KOH(aq)…

A: We have to predict the net ionic equation.

Q: A sample of 18.5 grams of sodium phosphate is weighed out on a balance and prepared to a volume of…

A: