What is the concentration of sodium ions in a solution prepared by dissolving 5.00 grams of sodium sulfate into 800. mL of water? What would be the concentration of sodium ions if an additional 500. mL were added to this solution?

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: In the laboratory you dissolve 18.3 g of iron(III) acetate in a volumetric flask and add water to a…

A: Mass = 18.3 g Volume = 250 mL = 0.250 L Molarity = ? Concentration of iron = ? Concentration of…

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: Boric acid, H3BO3, is commonly used in eyewash solutions in chemistry laboratories to neutralize…

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Q: In the laboratory you dissolve 12.0 g of aluminum nitrate in a volumetric flask and add water to a…

A: Molar mass of Al(NO3)3 = 213 g/ mol Given mass of Al(NO3)3 = 12.0 g  Moles of Al(NO3)3 = Mass /…

Q: In the laboratory you dissolve 15.2 g of ammonium sulfate in a volumetric flask and add water to a…

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Q: In the laboratory, a student adds 48.0 mL of water to 14.6 mL of a 0.624 M nitric acid solution.…

A: Given values, N1= 0.624 M V1= 14.6mL N2=?? V2= 14.6+48.0 = 62.6 mL

Q: What is the molarity of a solution that contains 140 grams of calcium chloride (CaCl2) dissolved in…

A: Given, mass of calcium chloride (CaCl2) = 140 g Note: Assuming no change in the volume  Volume of…

Q: Boric acid, H3BO3, is commonly used in eyewash solutions in chemistry laboratories to neutralize…

A: Given : Molarity of NaOH = 0.475M

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: 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: In the laboratory, a student adds 44.1 mL of water to 12.1 mL of a 0.577 M nitric acid solution.…

A: Provided initial Molarity(M1)=0.577M Let final Molarity = M2    (say) Initial volume of nitric acid…

Q: In the laboratory, a student adds 46.1 mL of water to 21.0 mL of a 0.779 M perchloric acid solution.…

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Q: 7.65 g sample of an aqueous solution of hydroiodic acid contains an unknown amount of the acid. If…

A: Weight of sample=7.65g Volume=24.1mL  Concentration of barium hydraxide=0.550M

Q: In the laboratory you dissolve 18.2 g of iron(II) nitrate in a volumetric flask and add water to a…

A: The molar mass of Iron = 55.845g/mol The molar mass of Nitrogen = 14g/mol The molar mass of Oxygen =…

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: In the laboratory, a student adds 57.5 mL of water to 15.1 mL of a 0.508 M nitric acid solution.…

A: Given that 57.5 m L of water is added to 15.1 m L water. Then, the final volume of the diluted…

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: In the laboratory you dissolve 25.0 g of calcium iodide in a volumetric flask and add water to a…

A: Mass of Calcium iodide, CaI2 = 25.0 g Molar mass of CaI2 = 293.887 g/mol Calculation of no. of mol…

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

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Q: A student weighs out a 3.22 g sample of K2SO4 , transfers it to a 100. mL volumetric flask, adds…

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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: Many common titrations involve the reaction of acid and base. If 24.74 mL of 0.503 M H2SO4solution…

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Q: In the laboratory you dissolve 13.4 g of silver nitrate in a volumetric flask and add water to a…

A: A question based on concentration terms that is to be accomplished.

Q: In the laboratory, you dissolve 13.1 g of zinc chloride in a volumetric flask and add water to a…

A: We have given that Mass of zinc chloride = 13.1 g Total volume of solution = 250 mL = 0.25 L Molar…

Q: A 12.7 g sample of an aqueous solution of hydroiodic acid contains an unknown amount of the acid. If…

A: Given data,Mass of sample=12.7gMolarity of NaOH=0.325MVolume of NaOH=24.2mL=0.0242L

Q: Boric acid, H3BO3, is commonly used in eyewash solutions in chemistry laboratories to neutralize…

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Q: In the laboratory you dissolve 18.9 g of manganese(II) bromide in a volumetric flask and add water…

A: molarity = mol/ volume(in L )   [MgCl2] is concentration of MgCl2.

Q: When 75.0 mL of a magnesium nitrate solution of unknown concentration had an excess of sodium…

A: Magnesium nitrate reacts with sodium hydroxide to form the precipitate of magnesium hydroxide and…

Q: In the laboratory you dissolve 16.6 g of potassium hydroxide in a volumetric flask and add water to…

A: The question is based on the concept of solutions. we have to calculate molarity of the solution.…

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: A barium hydroxide solution is prepared by dissolving 3.22 g of Ba(OH), in water to make 58.1I mL of…

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Q: In the laboratory you dissolve 22.7 g of copper(II) nitrate in a volumetric flask and add water to a…

A: Given : Mass of copper (II) nitrate i.e Cu(NO3)2 = 22.7 g And volume of solution = 500 mL = 0.500 L…

Q: What is the concentration of the diluted solution?

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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: In a common medical laboratory determination of the concentration of free chloride ion in blood…

A: Given: The concentration of chloride ion in blood serum is determined by titrating it against…

Q: What volume, in mL, of a 6.75 M solution should be added to a 500.00 mL volumetric flask to create a…

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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: A 12.6 g sample of an aqueous solution of perchloric acid contains an unknown amount of the acid.If…

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

Q: You are given solutions of HCl and NaOH and must determine their concentrations. You use 30.0 mL of…

A: The given problem can be solved by the following steps: 1. Calculation of molarity of NaOH from the…

Q: Consider the balanced reaction below. FeCl3 (aq) + 3 NAOH (aq) --> Fe(OH)3 (s) + 3 NaCI (aq) A 0.532…

A: Given: Concentration of NaOH = 0.532 M Concentration of FeCl3 = 0.398 M Volume of of FeCl3 = 34.9 mL…

Q: A 8.92 g sample of an aqueous solution of hydroiodic acid contains an unknown amount of the acid. If…

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Q: In the laboratory you dissolve 23.7 g of ammonium bromide in a volumetric flask and add water to a…

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

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Q: reacts with 3.02 g calcium carbonate.  Products of the reaction are carbon dioxide, water, and…

A: We have to find molarity of the hydrochloric acid solution  Given 20.0 mL of a hydrochloric acid…

Q: An antacid tablet contains Magnesium hydroxide and an inert binding agent. The mass of the Magnesium…

A: As per the mole concept, the amount of substance in moles is equal to the ratio of its mass to the…

Q: A student pipets 13 mL of a lithium sulfate solution into a 334 mL volumetric flask and dilutes to…

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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: One of the Ionic compounds in sports drinks is potassium di hydrogen phosphate. The label on one of…

A: 30mg of potassium in present in 240ml of the solution. The weight of potassium dihydrogen phosphate…

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…