Analysis of the water content of a lake found in the desert showed that it contained 12.8 percent chloride ion, and had a density of 1.23 g/mL. What is the molarity of the chloride ion in the water?

Q: A sample of seawater from a tidal estuary was found to contain a concentration of 889 mg of chloride…

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Q: Vinegar is sold as a standardized solution of 5.00% by mass acetic acid in water. Assuming the…

A: Given that vinegar is  5.00%  by mass acetic acid in water. i.e. 5 g of acetic acid (CH3COOH) is…

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: What is the molarity of a solution in which 10.8 grams of magnesium chloride is dissolved in enough…

A: Molarity is the concentration of solution which expressed the number of moles of solute present per…

Q: A 13.9 g sample of an aqueous solution of perchloric acid contains an unknown amount of the acid. If…

A: We have HClO4 + NaOH → NaClO4 + H2O Volume of NaOH= 25.9 mL Concentration of NaOH=0.192 M Mass…

Q: What is the molarity of a solution where 0.082 grams of sodium chloride was dissolved in water to…

A: Since you have posted multiple questions, we will solve the first one for you. Kindly post the…

Q: The 250 mL bottle of Lindeman's Shiraz wine in my kitchen is 11.25 % ethanol by volume. The density…

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Q: A solution is prepared by dissolving 44.3 grams of Aspirin( C9H8O4)  in water to produce 2.13 g/ml…

A: Mass of aspirin (C9H8O4) = 44.3 grams  Density of solution = 2.13 g/ml  Number of moles of solute =…

Q: The mass percentage of hydrochloric acid within a solution is 40.00%. Given that the density of this…

A: Given: Mass percent = 40% Density = 1.200 g/mL Molarity = ?

Q: A stock solution of hydrochloric acid is prepared by dissolving 15.7 g hydrochloric acid in enough…

A: Given  mass of HCl = 15.7 gram  Volume of solution = 749 mL  1000 mL  = 1 Liter  749 mL    =…

Q: A barium hydroxide solution is prepared by dissolving 3.49 g of Ba(OH), in water to make 47.2 mL of…

A: The concentration of barium hydroxide can be caluculated using the following formula:

Q: If there are 0.10 kg of sodium hydroxide (NaOH) in a liter of solution, what is the molarity of the…

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Q: The density of a NH3 solution is 0.89 g/mL and it is 32,00% by mass NH3. What is the molarity of the…

A: Since % by mass = % m/m  And % m/m = mass of solute X 100 / mass of solution  Assuming we have 100 g…

Q: In the laboratory you dissolve 22.9g of magnesium iodidein a volumetric flask and add water to a…

A: Since the molar mass of magnesium iodide i.e MgI2  = Atomic mass of Mg + 2 X Atomic mass of I  Hence…

Q: It is desired to prepare exactly 100. mL of sodium chloride solution. If 2.71 g NaCl is weighed out,…

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Q: molarity

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Q: In the laboratory, you dissolve 19.9 g of cobalt(II) chloride in a volumetric flask and add water to…

A: Given, amount of cobalt(II) chloride w = 19.9 g volume of solution V = 125 mL = 0.125 L we are asked…

Q: What is the molarity of a solution in which 13.25 g of FeCl2 are dissolved in 96.31 mL solution?

A: We are having 13.25 g of Fecl2 taken in 96.31 ml of Solution. We have to calculate the Molarity of…

Q: An aqueous solution is 22.3 % by mass KBr and has a volume of 274 mL with a density of 1.18 g/mL. If…

A: To solve this problem first we have to calculate the mass of solution using volume and density And…

Q: It can be helpful to clean hard water stains (mainly calcium carbonate ) with household vinegar.…

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Q: What is the molarity of a solution if 26.3 grams of sodium chloride is dissolved in 1.22 liters of…

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

Q: 1) KOH and NaOH are dissolved in water to form a 2.48 molar solution. If 42.9 g of NaOH are used and…

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

Q: KOH and NaOH are dissolved in water to form a 2.48 molar solution. If 42.9 g of NaOH are used and…

A: Given: Volume of solution = 1673 mL Molarity of solution = 2.48 M Mass of NaOH = 42.9 g

Q: In the laboratory, a student adds 45.1 mL of water to 10.6 mL of a 0.773 M hydrobromic acid…

A: Given : Initial concentration of hydrobromic acid i.e HBr = 0.773 M Initial volume of HBr solution =…

Q: 4. The density of 20.0% NaOH (by weight) is 1.22 g/mL. What is the molarity of 20% NaOH?

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Q: An aqueous solution is 12.0% by mass silver nitrate, AGNO3, and has a density of 1.11 g/mL. The…

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Q: In the laboratory you dissolve 13.8 g of zinc iodide in a volumetric flask and add water to a total…

A: Given data: The mass of Zinc iodide (ZnI2) = 13.8 g. The volume of the solution = 375 mL=0.375 L. To…

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 255 mL of water is added to 325 mL of a 0.477 M solution, what is the molarity of the new…

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Q: Household bleach is an aqueous solution that contains 63.3 g of sodium hypochlorite, NaOCI, per 300…

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Q: A sample of seawater from a tidal estuary was found to contain a concentration of 711 mg of chloride…

A: Given values-> Weight of chloride ion = 711mg = 711 × 10^-3gram Density = 1.035gm/mole

Q: Household ammonia used for cleaning contains about 10 g (two significant figures) of NH3 in 100 mL…

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

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

Q: An aqueous solution is 10.0% by mass hydrochloric acid, HCl, and has a density of 1.05 g/mL.The…

A: 10% by mass HCl means, 10 g HCl in 100 g solution. Mass of solute (HCl) = 10 g Number of moles of…

Q: In the laboratory you dissolve 21.5 g of sodium carbonate in a volumetric flask and add water to a…

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Q: In the laboratory you dissolve 16.0 g of silver fluoride in a volumetric flask and add water to…

A: First, the given grams of silver fluoride is converted into moles.

Q: If 100.0 mL of potassium dichromate solution (10.0 g of K2Cr207 per liter) was mixed with 75.0 mL of…

A:

Q: In the laboratory you dissolve 14.9 g of barium acetate in a volumetric flask and add water to a…

A: Molarity = Number of moles of solute/Volume of solution in L Number of moles = mass/molar mass

Q: A student uses a pipette to dilute 1.00 mL of a standard iron solution to 50.0 mL. If the µg what…

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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: A Chemistry Student Trainee at a certain University Chemical Laboratory was instructed by the…

A: Given: Normality=0.25 NVolume=40.0 mL To find: Mass of Potassium acid phthalate

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 1.280 g sample of oxalic acid, H2C2O4, is placed in a 100.0-mL volumetric flask, which is then…

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Q: What is the molarity of sodium chloride in solution that is 13.0 % by mass sodium chloride and that…

A: Given, density of NaCl = 1.01 g/mL Mass % = 13.0 % Molar mass of NaCl = 58.44 g/mol Molarity of NaCl…

Q: A diluted solution of sulfuric acis , H2SO4, has a density of 1.523 g/mL. The solution contains 50.0…

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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: 2.) a.) A medical lab technician was tasked with making a saline solution for a patient. The…

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Q: The forensic technician at a crime scene has just prepared a luminol stock solution by adding 14.0 g…

A: Molarity of any solution can be determined by dividing the number of moles of solute by the volume…

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…