A solution of sodium carbonate, Na2CO3, contains 53.0 g of solute in 215 mL of solution. Determine its molarity. 2. What mass of copper (II) nitrate, Cu (NO3)2, is present in 50.00 mL of a 4.55 × 10-3 M aqueous 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: What mass of solution containing 4.00% sodium sulfate, Na2 SO4, by mass contains 1.50 g Na2 SO4?…

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Q: 250.0 mg of copper(II) sulfate pentahydrate (CuSO4•5H2O, 249.69 g/mol) was dissolved in water to…

A: Since mass of CuSO4•5H2O used = 250 mg = 0.25 g              (since 1 g = 1000 mg) Hence moles of…

Q: The density of a 5.58 m acetic acid is 1.04 g mL-. What is the molar concentration of this solution?…

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Q: In an experiment designed to determine the concentration of Cu+2 ions in an unknown solution, you…

A: Molarity of a given solution is calculated by dividing the number of moles of solute present in it…

Q: Determine the molarity of Cl- if a solution is prepared by dissolving 23.7 g of CaCl2 in 375 g of…

A: The given data contains, mass of CaCl2=23.7 gmass of water=375 gmolar mass of CaCl2=110.98 g/mol

Q: A chemist places 2.9764 g of NaCl in a 100 mL volumetric flask and adds water to the mark and calls…

A: Given, Stock Solution 1 : mass of NaCl = 2.9764 g volume of flask = 100 mL Solution 2 : Volume…

Q: What is the molarity of a solution prepared by dissolving 0.178 moles of KI in enough water to make…

A: Given, n= 0.178 mol. Volume = 750 mL                = 0.75 mL.

Q: Calculate the molarity of each of the following solutions:(a) 293 g HCl in 666 mL of solution, a…

A: Molarity (M) of a solution is defined as the number of moles of solute dissolved per volume of the…

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: 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: Consider the precipitation reaction that takes place when a water solution of aluminum nitrate,…

A: On reacting above two aluminium phosphate precipitate and potassium nitrate form as side product.

Q: A student uses 1.05 g of a tablet containing Carbonic Acid dissolved in 0.05 L distilled water. The…

A: Given: Volume of distilled water = 0.05L , mass of solute = 1.05 g ,volume of NaOH = 3.76 mL  To…

Q: 1.A solution of zinc nitrate is added to a solution of magnesium sulfate. 2.You make 1.000 LL of an…

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Q: What mass of solution containing 4.00% sodium sulfate, Na2 SO4, by mass contains 1.50 g Na2 SO4?…

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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: What is the molarity of a solution that contains 74.6 g of magnesium chlorate (Mg(ClO3)2) dissolved…

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

Q: 3. A 12.5% (w/w) NiCl2 (129.61 g/mol) solution has a density of 1.149 g/mL. Calculate a. the molar…

A: As per our guidelines we can only solve first question. Please resubmit the other questions as next…

Q: A chemist adds 320.0mL of a 2.1 M calcium bromide (CaBr2) solution to a reaction flask. Calculate…

A: From the given volume and molarity of the solution, moles of calcium bromide can be calculated as

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: An intravenous electrolyte solution has a Na+ ion concentration of 154 mEq/L. A patient in the…

A: The concentration of Na+ is given as 154 mEq/L. It is required to calculate the number of…

Q: You have a solution which is 45.6% by mass isopropyl alcohol (MM = 60.11 g/mol) in water. The…

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Q: In the lab, a student makes a solution of KOH by dissolving 52.0 grams of solid in 255 mL of water.…

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Q: A solution is prepared by dissolving 3.0 g iron(II) chloride (MW=126.8 g/mol) with 75.0 mL of water.…

A: Solution Molar concentration is that the most convenient technique of expressing the concentration…

Q: The solubility of magnesium hydroxide, Mg(OH)2, in water is 9.0 × 10–4 g/100 mL. What volume of…

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Q: 1. What is the percent by mass concentration of acetic acid, CH3COOH, in a vinegar solution that…

A: 1. Mass of acetic acid = 54.50 g Density of solution = 1.005 g/ml Volume of solution = 1.000 L =…

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: What is the concentration in the molarity of an aqueous solution which contains 18.01% by mass…

A: Molarity = moles of ethylene glycolvolume of the solution, L Basis : Let the mass of the solution be…

Q: A chemist places 2.2352 g of NaCl in a 100 mL volumetric flask and adds water to the mark and calls…

A: Weight of NaCl is 2.2352 gm Molar mass of NaCl is 58.5 gm/mole

Q: The solubility of heptanol, CH3(CH₂)6OH, is 0.16 g per 0.10 L. What is the molarity of the solution?…

A: We use the below formula to find molarity; Molarity(M) = moles of solute(heptanol)volume of the…

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: The molarity of a solution prepared by dissolving 15.9 grams NaI in 500. mL of solution is:

A: Molarity= (given mass/molar mass)*(1000/volume (ml))

Q: A 20.00 mL sample of 0.1015 M nitric acid is introduced into a flask, and water is added until the…

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Q: Vinegar is a solution of acetic acid, HC2H3O2, dissolved in water. A 5.84 g sample of vinegar was…

A: Number of moles and mass of acetic acid can be determined.

Q: What is an aqueous solution? What is the difference between the solute and the solvent?

A: The solution is defined as a homogeneous mixture that consists of two or more substances and their…

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: the molarity of Cl- if a solution is prepared by dissolving 23.7 g of CaCl2 in 375 g of water. The…

A: The molarity of a solution is given by following formula,M=mass of solutemolar mass of…

Q: Na2CO3(aq) + CaCl2(aq) – → 2 NaCl(aq) + CaCO3(s) Calculate the volume (in mL) of 0.100 M Na,CO3…

A: The balanced reaction taking place is given as, Given: Mass of CaCO3 produced = 1.00 g. And the…

Q: What mass of oxalic acid dihydate, H2C2O4•2H2O, is needed to make a 0.498 M solution of oxalic acid…

A: Molarity of a solution is defined as the number of moles of solute present in one liter solution. It…

Q: What is the concentration in molarity of an aqueous solution which contains 20.01% by mass…

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Q: Part A A strontium hydroxide solution is prepared by dissolving 10.45 g of Sr(OH)2 in water to make…

A:

Q: molarity of a solution made from 5.906 g sodium chloride (MM=58.44 g/mol) dissolved in water to a…

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Q: A solution is made by dissolving 29.2 g of magnesium nitrite, Mg(NO2)2, in enough water to make…

A:

Q: What is the concentration in molarity of an aqueous solution which contains 26.41% by mass ethylene…

A: Molarity,M=4.42 mol/L

Q: A solution is made by dissolving 19.4 g of barium chloride, BaCl2, in enough water to make exactly…

A: The given volume of solution is 500 mL. It is known that, 1 mL = 0.001 L. Therefore, 500 mL = 0.5 L…

Q: An aqueous potassium iodate (KIO3) solution is made by dissolving 536 grams of KIO3 in sufficient…

A: Morality[m]:- It is the number of moles of solute dissolved per litre of thesolution. It is…

Q: neutralize a nitric acid solution. 1. Write a balanced chemical equation for the reaction that…

A: Barium hydroxide is a base and nitric acid is acid  Reaction between these two is a neutralization…

Q: Consider a solution prepared by combining 45.0 g of BaCl2 with enough water to prepare a 750.0 mL of…

A: Given information: Mass of barium chloride = 45.0 g Volume of solution = 750.0 mL Concentration of…

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: chemist prepares a solution of silver(I) nitrate AgNO3 by measuring out 6.4102 x 10^2 μmol of…

A: Molarity is defined as total number of solute dissolve in one litre of solution Molarity…