Molar solution: Make 100mL of 350mM NaCl.

Q: Calculate the mass/volume percent (m/v) of 14.0 g NaCl in 46.0 mL of solution. Express your answer…

A: m/v = (mass of solute ÷ volume of solution) × 100

Q: Data for Unknown NaCl Solution Unknown Number 6. Mass of 50 mL beaker 28.94 g Mass of beaker +…

A: The density of a substance is defined as the mass of the substance upon its volume. The density is…

Q: A sample of a potential pharmaceutical is being tested for effectiveness at different dosages. 250.…

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Q: Lab analysis reveals that a water sample has a concentration of 2.66 × 10‑3 M Ca2+. Assuming a…

A: Given, 2.66 × 10‑3 M Ca2+ density = 1.01 g/mL

Q: A solution contains 6.9 x 10-6 g of  Br- per kilogram of solution.  What is this in ppb?  Answer to…

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Q: Consider 500mL of a 0.30 M CuSO4 solution. How many moles of solute are present in the solution?…

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Q: How many mL of water is in 950.0 mL of a 0.25 M NaCl solution? The Density of NaCl=2.165g/mL

A: Molarity (M) The equation to calculate molarity is ; M=given massmolar mass×volume of solution(L)

Q: 6.0 M HCl solution must be diluted to 0.50 M. If the diluted solution has a total volume of 300.0…

A: Assuming V mL of the concentrated HCl is needed Since the process is dilution  hence the moles of…

Q: 2. A KCI solution has a concentration of 300 ppb. What mass of KCl is contained in 900 mL of this…

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Q: A solution is made using 200.0 mL of methanol (density 0.7920 g/mL) and 1035.1 mL of water (density…

A: Volume of methanol = 200.0 ml  Density of methanol = 0.7920 g/ml  Volume of water = 1035.1 ml…

Q: Calculate the boiling point of a solution of 154.09 g of ethylene glycol (C2H6O2) (MM = 62.0678)…

A: When ethylene glycol will add in water then elevation in boiling point is given below.…

Q: 4) How many liters of 20% alcohol solution should be added to 40 liters of a 50% alcohol solution to…

A: Given that : The volume of 50% alcohol solution = 40 L We have to determine the volume of a 20%…

Q: A solution is made using 200.0 mL of methanol (density 0.7920 g/mL) and 1005.1 mL of water (density…

A: Given :  Volume of methanol = 200.0 mL  Density of methanol = 0.7920 g/mL Volume of water = 1005.1…

Q: reaches

A: mmoles of standard Solution = ( volume • concentration )  Note : 1mM = 10^-3 M  mmoles of standard…

Q: A 80.9 mL sample of 12.2 M sucrose solution is dilated to 334.2 ml. What is the molarity of the…

A: Given information: Initial volume of solution = 80.9 mL Molarity of sucrose solution = 12.2 M…

Q: How many grams of sodium acetate are in 275.0 mL of a 18.0 % (m/v) solution? 49.5 g 0.0654 g 0.153 g…

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Q: Three alcohol solutions with varying concentrations were mixed together. Solution 1 is 160mL of…

A: % of volume of alcohol in mixture  = (total volume of alcohol ÷ total volume of mixture) ×100 %

Q: 7.   A solution containing 10 grams of NaCl in 0.500L of solution would have a molarity of

A: To find the molarity of the solution.

Q: A solution is the same as a compound homogeneous mixture heterogenous mixure element

A: The homogeneous mixture of two or more substances is known as a solution. The solution is made from…

Q: Consider a solution prepared by adding 25.0 g NaCl to 125.0 g of water. What is the mass of NaCl…

A: Mass percentage is given by, Mass percentage = Mass of the soluteMass of the solution×100

Q: there are_____ moles of solute in 800 milliliters of a 1 solution

A: As,the question is incomplete still I think that instead of 1 solution it should have been 1M…

Q: alculate the mass percent of a solution made from 15.5g of NaCl and 375.4g of H2O. Please be sure to…

A: When solute and solvent are mixed, they form a solution.

Q: Determine the mass of NaCI needed to make 100.00 mL of 1.38 M NaCl solution. Show your set-up. () x…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: A solution is made using 200.0 mL of methanol (density 0.7920 g/mL) and 919.1 mL of water (density…

A: Given that Volume of methanol and its density, and volume of water and its density. And asked that…

Q: A solution is made using 200.0 mL of methanol (density 0.792 g/mL) and 563.1 mL of water (density…

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Q: OSTATES OF MATTER = Calculating mass percent composition A chemist mixes 74.9 g of water with 80.1 g…

A: Given: The mass of water in the solution  = 74.9 g The mass of 2-methylpyrazine in the solution =…

Q: A student task is to prepare 3 glucose (C6H12O6) solutions with different concentration. If the…

A: i) he needs 2.88g glucose to make 80mL of solution ii) He needs 0.405g of glucose to make 90mL of…

Q: Grams of MgCl2 to prepare 3.25 L of a 0.950 M MgCl2 solution

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Q: If 75.0 mL methanol is combined with 250.0 mL water, what is the volume percent of methanol in the…

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Q: A chemist mixes 31.7 g of carbon tetrachloride with 59.7 g of 2-ethyltoluene and 10.5 g of…

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Q: What volume of 1.2 N CaCO3 solution contains 236.8 grams of CaCO3

A: Normality is a unit of concentration and it is defined as the number of gram equivalents of solute…

Q: If an aqueous solution is 0.010% by mass, how many ppm is it?

A: Percentage by mass indicates that the amount of solute in grams  present in 100 gram of solution.…

Q: A solution is made using 200.0 mL of methanol (density 0.7920 g/mL) and 295.1 mL of water (density…

A: To calculate the mass percent of the methanol.

Q: Calculate the number of mL of a 500ppm solution needed to prepare 100mL of a 50 ppm solution.

A: Given:Concentration (C1) = 500 ppm.Volume (V2) = 100 mL.Concentration (C2) = 50 ppm.

Q: How many grams of a 0.90% (m/m) NaCl solution contain 0.450 g of NaCl?

A: Solution - According to the question - Given -  0.450 g of NaCl - Convert into L = 0.00045 L   we…

Q: If a 1000ml liquor beer is 36% alcohol by volume, how many ml of the solution are ethanol? Find the…

A: Given, Volume of the solution (liquor Beer) = 1000 ml 36% alcohol by volume  Formula Used,…

Q: Calculate the amount in grams of CaCl2 needed to make 250 mL of a 20 mM CaCl2 solution.

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Q: 1. An NaCl solution is prepared using 30 g of NaCl and 500 g of water. What is the concentration of…

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Q: A solution is made using 200.0 mL of methanol (density 0.7920 g/mL) and 775.1 mL of water (density…

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Q: What volume of 16 M HCl is needed to prepare 675 mL of 0.565 M solution? 23.8 mL 16.5 mL 19.5 mL…

A: Given that : The molarity of HCl = 16 M The volume of the solution to be prepared = 675 mL The…

Q: 964.0 ml of a 0.250 M calcium hydroxide solution? O A) 13.02 mL B) 0.521 mL C) 26.05 mL O D) 6.51 mL…

A: We should Equal gm equivalent of both acid and base.

Q: Determine the mass of NaCl needed to make 100.00 mL of 1.38 M NaCl solution.

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Q: A 0.1 M K2SO4 solution can be prepared by diluting. mL of 3.8 M K2SO4 solution to 206 mL

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Q: 1.) You are asked to make 1500 mL of TE (1X) using TE (100X). The volume of water used is: a) 95 mL…

A: When we need to make a solution from the stock solution, a dilution factor is used. The product of…

Q: A chemist mixes 72. g of water with 6.2 g of butanoic acid and 27. g of methanol. Calculate the…

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Q: Calculate the mass of a 400.0 ml solution with a density of 1.5g/ml

A: density (d) is the ratio of mass of substance (m) to volume of solution (V) Density (d) = mass (m) /…

Q: Any dilute aqueous solution has a density near 1.00 g/mL. Suppose the solution contains 1 ppm of…

A: The density of dilute aqueous solution is 1.00 g/mL.The concentration of solute is 1 ppm which is…

Q: A solution is made using 200.0 mL of methanol (density 0.792 g/mL) and 895.1 mL of water (density…

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Q: A solution is made using 450.0 mL of isopropanol (density 0.7860 g/mL) and 845.5 mL of water…

A: Mass of isopropanol = density × volume = 0.7860 g/ml × 450.0 ml = 353.7 g Mass of water  = density ×…