What is the concentration, in molarity, of each solution? a) 8.7 g of CaBr2 in 250 mL of solution b) 9.8 g of Li2SO4 in 300 mL of solutio

Q: A stock solution is made by dissolving 2.35 g of aluminum nitride in 250.0 mL of water. a) What is…

A: Molarity is defined as total number of moles of solute present in 1000 ml of solution Molarity =…

Q: A student weighs out a 1.75 g sample of NaCl, transfers it to a 250. mL volumetric flask, adds…

A:

Q: 2.77 g of NaCl is added to water. The final volume of the solution is 322 mL. Calculate the molarity…

A: Molar mass of NaCl = 58.44 g/mol Moles of NaCl taken = 2.77 / 58.44 = 0.0474 moles

Q: The concentration of Mg2* in a sample of coastal seawater is 1.08 g/kg. What is the molar…

A: concentration of Mg2+ = 1.08 g / kg 1.08 g/Kg means 1.08 g of Mg2+ in 1 Kg ( = 1000 g) Molar mass of…

Q: What is the molarity of a solution made of 16.9 % Na2SO4 (% m/m) if the density of the solution is…

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Q: Calculate the molarity of solute in each solution. a) 12.4 g of sucrose (C12H22O11) in 750 mL of…

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Q: Whens 28 g of KOH dissolves in enough water to make 250 mL of solution, what is the resulting…

A: The question is based on the concept of molarity.    it is defined as number of moles of solute…

Q: How many grams of cobalt(II) chloride hexahydrate (CoCl2•6H2O; molar mass = 237.9 g/mol) are…

A: Calculation  of mass by molarity  formula.   Given Data Volume = 475 ml Molar mass of cobalt…

Q: Calculate the molarity of the following solutions: (a) 0.30 mol of solute in 80.5 mL of solution…

A: Hello. Since the question contains more than three sub-parts, the first three sub-parts shall only…

Q: Calculate the molarity of the following solutions: (a) 0.37 mol of solute in 56.8 mL of solution…

A: The Molarity of the following Solutions are given as:

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: A student weighs out a 12.2 g sample of K2S, transfers it to a 500. mL volumetric flask, adds enough…

A: Given; Note: (1L = 1000 mL)

Q: Calculate the Molarity: (a.) 79 g of CuSO4 · 5H2O in 3.8 L of solution (b) 2.91 mol of CaCl2 in…

A: Molarity is defined as the number of moles of solute dissolved per liter of the solution. So,…

Q: If you need to make 600mL of a 0.150 M NaF solution, how many grams of NaF (Molar Mass: 42g) would…

A: Given: The volume of the NaF solution = 600 mL Molarity of the NaF solution = 0.150 M The molar mass…

Q: What is the concentration in molarity of an aqueous solution which contains 13.81% by mass propylene…

A: Given: The concentration of propylene glycol by mass = 13.81%. The density of the solution, (d) =…

Q: How much gram of potassium dichromate [K2Cr20, molar mass 294.2 g/mol] required to make 665 mL of…

A:

Q: What is the concentration in molarity of an aqueous solution which contains 1.41% by mass acetone…

A:

Q: How many grams of ZnCl2 (136.29 g/ mol) are present in 600 mL of a 0.500 M ZnCl2 solution?

A: Given,  The mass of ZnCl2 in 600 mL of a 0.500 M ZnCl2 solution is:

Q: Calculate the molarity of the two solutions. The first solution contains 0.400 mol of NaOH in 2.30…

A: Molarity is the ratio of number of moles of solute to the volume of solution (in L) Number of moles…

Q: Calculate the molarity of each solution.a. 0.38 mol of LiNO3 in 6.14 L of solutionb. 72.8 g C2H6O in…

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

Q: Calculate the molarity

A: Molarity = Number of moles/volume of solution (in litres)  Number of moles = mass / molar mass

Q: What is the molarity of a 4.00% by mass hydrochloric acid solution? The density of the solution is…

A: Answer: option c. 1.12 M is the molarity of HCl solution.

Q: An aqueous solution contains 71.26 g LiCl per 675 mL of solution. What is the molarity of this…

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Q: If you need to create 1,442 mL of a CaBr2 solution with a molarity of 1.42 M what mass of CaBr2

A:

Q: An aqueous solution was prepared by dissolving 2.11 g of NaCl in enough water to make 1500. mL of…

A:

Q: What is the concentration in molarity of an aqueous solution which contains 2.57% by mass acetone…

A: 2.57% by mass means 100g of solution contains 2.57g of acetone.

Q: An aqueous solution that is 5.30% LiBr by mass has adensity of 1.040 g/mL. What is the molarity of…

A: Given that: Mass percent of Lithium bromide = 5.3%     Density of Lithium bromide = 1.040 g/mL To…

Q: Concentrated nitric acid is 70.4% HNO 3 by mass and has a density of 1.42 g/mL. What is the molarity…

A: Molarity: It is the no. of the moles of the solute present in the one litre of the solution.

Q: What is the molarity of a solution prepared by dissolving 26.2 g of KCI in enough water for a total…

A:

Q: In the laboratory a student combines 31.7 mL of a 0.167 M calcium nitrate solution with 20.9 mL of a…

A: Number of moles of calcium nitrate and  ammonium nitrate can be calculated as follows:

Q: What is the molarity of a 7.4 % by mass Mg(NO3)2 solution? Assume the density of the solution is 1.0…

A:

Q: A student weighs out a 7.23 g sample of CoI2, transfers it to a 125 mL volumetric flask, adds enough…

A: Given: mass of CoI2=7.23 gvolume of solution=125 mL To find: Molarity of CoI2

Q: A solution containing 150 grams of CaCl2 (110.98 g/mol) is dissolved in 1.00 L of water. what is…

A: Given data: Mass of CaCl2 = 150 g, Molar mass of CaCl2 = 110.98 g/mol, Volume of water = 1.0 L…

Q: Luminol has a molecular weight of 177 g/molg/mol. The forensic technician at a crime scene has just…

A: The molar mass of luminol is 177 g/mol. The number of moles of luminol is calculated below.

Q: Calculate the molarity of each of the following solutions. (a) 6.80 g of methanol (CH3OH) in 1.50 ×…

A: Molarity is the ratio of moles of solute to the volume of solution in liters.  Number of moles =…

Q: Calculate the molarity of the two solutions. The first solution contains 0.300 mol of NaOH in 2.70…

A: The molarity is given by , Molarity = number of moles of solute ÷ volume of solution in L.

Q: what is the molarity of a solution when 2.25 g NaF is dissolved in enough water to make 25.0 ML of…

A:

Q: How many grams of KCl are contained in 824 mL of a 1.49 M KCl (MW=74.55 g/mol) solution?

A:

Q: What are the molarities of the following solutes when dissolved in water? a. 7.69 mmol C2H5OH in…

A:

Q: How many grams of solute are needed to prepare each of the following solutions?   1.1.00 L of 0.195…

A: Mole is the amount of the substance that contains the same number of particles or atoms or…

Q: A 1.270 g sample of oxalic acid, H2 C204, is placed in a 100.0-mL volumetric flask, which is then…

A: The mass of solute, oxalic acid is = 1.270 g The volume of the solution is = 100.0 mL The molar mass…

Q: A 9.835-gram sample of cobalt(II) chloride hexahydrate (CoCl2•6H2O; molar mass = 237.9 g/mol) is…

A: Option C is correct.  M= 0.2756M Molarity is defined as number of moles of solute dissolves in per…

Q: A 125 mL sample of a 14.0 M solution is diluted to 500 mL. What is the concentration (molarity) of…

A:

Q: A 1.330 g sample of oxalic acid, H2 C204, is placed in a 100.0-mL volumetric flask, which is then…

A:

Q: If 2.00 g of Mg reacts completely reacts with 50.0 mL of HCl solution, what is the molarity of the…

A:

Q: What is the molarity of a magnesium chloride solution with 82.2 g of MgCl2 dissolved in a solution…

A: Molarity :- Moles of solute particle present per liter of solution is called molarity of the…

Q: A 2.87% by mass solution of CaCl 2 has a density of 1.04 g/mL. What is the molarity of this…

A:

Q: Calculate the molarity of each solution.a. 3.25 mol of LiCl in 2.78 L solutionb. 28.33 g C6H12O6 in…

A: Molarity =moles of soluteVolume of solution  (a) Molarity = 3.252.78 = 1.169 M = 1.17 M (b) Molarity…

Q: How many grams of aluminum chloride, AICI3, must be dissolved to prepare 250. mL of a 0.238M aqueous…

A: The volume of the aluminium chloride solution is = 250. mL The molarity of the aluminium chloride…

Q: Vinegar contains (among other things) acetic acid. What is the molarity of acetic acid (HC2H3O2) in…

A: Solution stoichiometry involves the calculation of concentration of solutions in the given…