A 37.0 mL aliquot of a 0.600 M stock solution must be diluted to 0.100 M. Assuming the volumes are additive, how much water should be added?   How many milliliters of 11.0 M HCl(aq) are needed to prepare 675.0 mL of 1.00 M HCl(aq)?

Q: A 18.0 wt% solution of CaCl₂ (110.98 g/mol) has a density of 1.165 g/mL. What is the mass, in…

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Q: A NaF(aq) solution (solution 2) is 9.20% by mass in NaF. Solution 2 has a density of 1.05 g/mL. 415…

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Q: A geologist discovers a magnesium carbonate hydroxide hydrated salt with the chemical formula…

A: To calculate the number of water of hydration are present in the original hydrated salt.

Q: A chemist places 2.6428 g of NaCl in a 100 mL volumetric flask and adds water to the mark and calls…

A: The solution is given below -

Q: A chemist places 1.5999 g of NaCl in a 100 mL volumetric flask and adds water to the mark and calls…

A: In given problem, they asked for concentration of Na2SO4 and it is given as NaCl. So it will be…

Q: Fill in the blanks: An environmental chemist analyzed the effluent from an industrial process known…

A: Since the benzoic acid has only 1 acidic H  Hence moles of NaOH required for complete neutralisation…

Q: In the laboratory, a student dilutes 22.9 mL of a 11.9 M nitric acid solution to a total volume of…

A: Moles of solute remain constant during dilution. Moles of solute = molarity x volume of solution…

Q: Consider a 0.586 M aqueous solution of barium hydroxide, Вa(ОН)2Ba(ОН)2 (аq). How many grams of…

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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: 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: In the laboratory, a student dilutes 27.2 mL of a 8.33 M hydroiodic acid solution to a volume of…

A: hydroiodic acid solution ( HI ) Initial volume = V1 = 27.2 mL Initial Concentration = M1 = 8.33 M…

Q: A solution of HCl was prepared from a stock solution as follows: 50.00 mL of stock solution was…

A: Given: Volume of stock solution used = 50.00 mL Volume of dilution A prepared = 250.0 mL Volume of…

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: If 203 mL of water is added to 5.00 mL of 4.16 M KCI solution, what is the concentration of the…

A: • The values provided in the question are:-  i) Initial volume of KCl solution, V1 = 5.00 mL  ii)…

Q: a)How many moles of acetic acid are in 100 mL of vinegar? What is the molarity of acetic acid in…

A: Given:Mass of acetic acid= 5g Volume of solution =100 mL

Q: How many mL of a 0.245 M aqueous solution of sodium hydroxide,NaOH, must be taken to obtain 2.91…

A: In the first question its written salt instead of base NaOH.

Q: In a demonstration of strong electrolytes, weak electrolytes, and nonelectrolytes, Professor…

A: When bulbs are came in contact with electrolytic solution , the bulbs gets light up due to the…

Q: A student makes two separate solutions, KCl (aq) and  NaCl (aq). After the student returns from…

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Q: Concentrated phosphoric acid is 90% H;PO, by mass and the remaining mass is water. The molarity of…

A: a) Assuming we have 100 mL of the H3PO4 solution  hence moles of acetic acid = concentration X…

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: grams of aspirin tablets are dissolved in water and titrated with the NaOH from an initial volume of…

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Q: . An aqueous solution of sodium carbonate, Na2CO3, is titrated with strong acid to a point at which…

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Q: Sodium hydroxide is used extensively in acid-base titrations because it is a strong, inexpensive…

A: The balanced equation for HCl reaction with NaOH is  HCl  + NaOH  -------- >  NaCl   +  H2O  from…

Q: If 0.235 g of KHP (MM = 204.22 g/mol) requires 16.78 mL of a NaOH (MM = 40.00 g/mol) solution to…

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Q: What kind of reaction is this if you said this was a precipitation write down the chemical formula…

A: 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: What mass of oxalic acid dihydate, H2C2O42H2O, is needed to make a 0.498 mol solution of oxalic acid…

A: Given, Number of mol H2C2O4.2H2O = 0.498 mol Volume = 250.0 mL Since, 1000 mL = 1 L  or        1 mL…

Q: The

A: Molarity is defined as total number of solute present in 1000 ml of solution .   For neutralisation…

Q: An antacid tablet has a mass of 1.45 g and neutralizes 61.83 mL of a 0.291 M HCl solution. What is…

A: Given that -  Mass of antacid tablet = 1.45 g  Volume of Hydrochloric acid, HCl used = 61.83 mL…

Q: In the laboratory, a student adds 58.2 mL of water to 15.5 mL of a 0.771 M hydroiodic acid solution.…

A: According to the equation:

Q: You have 272.9 mL of a 0.174 M MgSO4 solution. What would the molarity of the resulting solution be…

A: According to the law of dilution, we can write: C1V1 = C2V2       ................... (1) where: C1…

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: When solutions of silver nitrate and potassium chloride are mixed, silver chloride precipitates out…

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Q: In an oxidation reaction, Iron (II) iodide converted into Iron (III) oxide and iodine gas, What…

A: The given chemical reaction is: 4FeI2+3O2→2Fe2O3+4I2 According to the balanced chemical reaction, 4…

Q: In the laboratory, a student dilutes 18.8 mL of a 11.5 M nitric acid solution to a total volume of…

A: V1 = 18.8 mL = 0.0188 L  M1 = 11.5 M  V2 = 200 mL = 0.200 L  M2 = ?

Q: A student requires 45.0 grams of solid silver chloride to precipitate.  What volume of a 0.50 M…

A: As here NaCl is used in excess amount the limiting reagent is AgNO3 from here we can calculate the…

Q: What is the concentration of the diluted solution?

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Q: ium hydroxide solution according to the equation   HC2H3O2+NaOH⟶H2O+NaC2H3O2   If you require…

A: The given data : The volume of NaOH = 34.58 mL The molariry of NaOH= 0.1036 M The volume of acetic…

Q: What is the molarity of a sodium hydroxide solution made by combining 2.0 L of 0.60 M NaOH with 495…

A: Consider the given information is as follows; V1=2.0 L                                          ;…

Q: potassium hydrogen phthalate. (KHC8O4H4, molecular mass 204.22 g mol/L) - Knowing that potassium…

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Q: A l1.5 g sample of an aqueous solution of hydroiodic acid contains an unknown amount of the acid. If…

A: Given, Mass of Mixture = 11.5 g Molarity of NaOH = 0.898 M = 0.898 mol/L Volume of NaOH = 12.2 mL =…

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

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Q: Sodium hydroxide is used extensively in acid-base titrations because it is a strong, inexpensive…

A: In the titration process, the relationship between concentrations and volumes of solutions are given…

Q: What is the concentration in molarity of an aqueous solution which contains 26.61% by mass ethylene…

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Q: Riboflavin, also known as vitamin B2, is a vitamin found in food and used as a dietary supplement..…

A: In order to find the molarity of the resultant solution we first write down the given data: Mass of…

Q: A 12.3 g sample of an aqueous solution of hydrochloric acid contains an unknown amount of the acid.…

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Q: A 7.26 g sample of an aqueous solution of hydroiodic acid contains an unknown amount of the acid. If…

A: Mass of hydroiodic acid (HI) can be determined by calculating the number of moles of sodium…

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: A typical dose of iron (II) sulfate (FeSO4) used in the treatment of iron-deficiency anemia is 0.35…

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

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