Calculate the molarity of Na2SO4, 71.02 mg/100 mL.

Q: How much oxalic acid dihydrate, in grams, is needed to prepare 728 mL of a 0.829 M solution? Oxalic…

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Q: Calculate the molarity of each of the following solutions.  0.450 mole of urea (CH4N2O) in 2.50 ×…

A: The molarity is given by the formula  as follows: Molarity=MoleVolumeL

Q: Sulfuric acid (H2SO4) is a strong acid because it dissociates completely in water. Calculate the…

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Q: At 20°C, an aqueous solution that is 5.00% by mass in ammonium chloride has a density of 1.0138…

A: Molarity is a concentration term for a solution. The molarity of the given solution is defined as…

Q: What is the mass % of acetonitrile in a 2.77 M solution of acetonitrile (MM = 41.05 g/mol) in water?…

A: Mass percentage or percentage by weight is one of the concentration terms that indicates the mass of…

Q: Calculate the molarity of 37.5 gg of NaOHNaOH in 330. mLmL of an NaOHNaOH solution.

A: Given: Mass of NaOH  = 37.5 g Volume of NaOH solution= 330 mL = 0.330 L Molar mass of NaOH = 39.997…

Q: what is the molarity of a solution when 30 g of naoh is mixed with 200 g of water? density of…

A: Molarity is one of the concentration terms that is defined as the number of moles of solute…

Q: What is the molarity of a solution that contains 2.38g of H2C2O4 x 2H2O in 200ml of solution?

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Q: What is the concentration in % (mass) of a NaCl solution prepared by dissolving 9.3 g of NaCl in…

A: Volume of solution(v) = 350 mL Density of solution (d)= 1.1 g/mL Maas of solution = v×d       = 350…

Q: When 14g MgSO4 7H2O is dissolved in 100g water the density of the solution is found to be 1.060g/mL.…

A: Molarity:  Molarity is one of the unit of concentration. It is defined as the number of moles of…

Q: A bottle of nitric acid has a density of 1.423 g/mL, and contains 70.9% nitric acid by weight. What…

A: Given information,    Nitric acid has a density of 1.423 g/mL, and contains 70.9% nitric acid by…

Q: To prepare a solution of 48.9 mM sucrose, a student combines 43.0 mL of a sucrose stock solution…

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: If a student wants to make 205.0 mL of a 1.12M stock solution of SrCl 2, how many grams of solid,…

A: Given that : The volume of stock solution = 205.0 mL Molarity of stock solution = 1.12 M We have to…

Q: In the laboratory you dilute 4.36 mL of a concentrated 6.00 M nitric acid solution to a total volume…

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Q: what are the materials for the preparation of 0.25 M Hydrochloric acid (HCl) solution using 3.86 mL…

A: We can solve this problem by recall the formula  of molarity Molarity = mole of solute/volume of…

Q: 2.3 g of HCl and 7.7 g of HClO4 are both dissolved in the same volume of water (a single volume of…

A: In the given question we have to find the total molarity of H+ ions in a solution containing both…

Q: A sample of seawater from a tidal estuary was found to contain a concentration of 567 mg of chloride…

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are…

Q: 100 mL of a 0.55 M Ca(OH)2 solution contains how many grams of Ca(OH)2?

A: Given:Volume = 100 mL = 0.1 L.Molar mass = 74.092 g/mol.Concentration (Molarity) = 0.55M.

Q: What is the mass % of ethylene glycol in a 1.85 M solution of ethylene glycol (MM = 62.07 g/mol) in…

A: Given : Molarity of ethylene glycol = 1.85 M And density of solution = 1.07 g/mL

Q: How many grams of NaC2H3O2 • 3H2O are required to prepare 25 mL of 0.50 M NaC2H3O2?

A: Answer:For any specie, its number of moles in a solution is equal to the product of its molar…

Q: Calculate the molarity of 22.5 g of NaOH in 370. mL of an NaOH solution.

A: Molarity is defined as the number of moles of solute per volume of the solution in liters. i.e.…

Q: What is the molarity of the potassium ions [K+] in a solution prepared by dissolving 28.5 g of K2CO3…

A: Given: The volume of the solution=200mL=0.2 L. The molar mass of K2CO3=138.21 g/mol. The given mass…

Q: Required: Volume of water Normality of HCl Normality of NaOH

A: Given as The volume of HCl=94.92 mL The volume of NaOH=43.76 mL The volume of water needed for a…

Q: Glycerol, C3H8O3, is a substance used extensively in the manufacture of cosmetics, foodstuffs,…

A: Given, Density of glycerol = 1.2656g/mL. Volume of glycerol = 50.000mL. Volume of solution =…

Q: What mass in grams of the dihydrate H2C2O4 • 2 H2O (molar mass = 126.0 g/mol) is needed in order to…

A: Here is your answer.........

Q: What is the molar concentration (molarity) of a saturated solution of calcium hydroxide that…

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Q: If 52.00 ml of 0.500 M CaBr 2 solution is added to  128 ml of 0.320 M solution of KCl solution, what…

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Q: How many grams of NaCl are required to precipitate most of the Ag+ ions from 2.50 × 10² mL of 0.0147…

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Q: 6. What is the molarity of a 3.25m CaCl solution? (density = 1.02 g/mL)?

A: The relationship between molality and molarity when density of a solution is known can be written as…

Q: You are given a solution of chlorophyll that contains 132mg chlorophyll (a chemical formula of…

A: Molarity of chlorophyll solution can be calculated as follows

Q: mass of zinc hydroxide

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Q: A cup of coffee may contain 300. mg of caffeine (C 8H10N4O2).Calculate the molarity (M) of caffeine…

A: Molar Mass of caffeine (C 8H10N4O2) =194 g Mass of caffeine given =300 mg= 0.3 g Mole = Mass Given/…

Q: A solution is made by dissolving 25.7 g of cobalt(II) iodide, CoI2, in enough water to make exactly…

A: Consider the given information as follows; Mass of cobalt (II) iodide, CoI2 = 25.7 g     Volume of…

Q: The forensic technician at a crime scene has just prepared a luminol stock solution by adding  20.0…

A: Since the molar mass of luminol  = 177 g/mol                    (formula :C8H7N3O2) hence the moles…

Q: A solution was prepared by dissolving 38.0 g of KCl in 225 g of water. Calculate the molarity of KCl…

A: Given: Mass of KCl = 38.0 g Mass of water = 225 g Volume of solution = 239 mL = 0.239 L Molar mass…

Q: Calculate the molarity of 93.3 g of sodium chloride in 93.4 mL of solution.

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Q: 452 mL of 2.631 M bohium cecilide (NaCl, 58.576 g/mol) is combined with 202 mL of 7.928 M calvertium…

A: The concentration of the solution is equal to the ratio number of moles of solute to the volume of…

Q: What is the molarity of a solution that is 48.4% by mass phosphoric acid (H3PO4) and that has a…

A: Given, 48.4% by mass phosphoric acid Density =1.155 g/mL Molecular weight of phosphoric acid = 97.99…

Q: A sample of seawater from a tidal estuary was found to contain a concentration of 559 mg of chloride…

A: