You need to make up 500.0 mL's of 0.5750 M NaCl (58.44 g/mol). What mass of NaCl should you measure out?

Q: In the US, alcohol proof is equal to twice the percent of alcohol (ethanol) by volume, so for…

A: Percentage volume by volume: is one of the ways to express concentration of solution. Formula is:…

Q: A chemist prepares a solution of potassium chloride (KCI) by measuring out 0.22 g of KCl into a 250.…

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Q: How much calcium chloride (in grams) is needed to make 270. mL of a 4.72 M solution?

A: Given :-  Molarity of CaCl2 solution = 4.72 M  Volume of solution = 270 mL Or 0.270 L To be…

Q: If 1.5 L of 2.0 M H2SO4 is diluted to 8.0 L, what is the molarity (M) of the new solution? Enter…

A: Answer: the molarity of new solution is 0.375 M or 0.375 ( numerical answer without unit)

Q: 2. A brine solution is 13.0 % (w/w). How much salt is there in a sample which weighs 150 grams?…

A: The given data : The %(w/w) of the solution = 13.0 % The mass of the sample = 150 g. To determine =…

Q: What volume of 0.204 M NaOH, in milliliters, contains 35.0 g of NaOH? Volume = mL

A: NaOH has a molar mass of 39.997 g/mol. This means that one mole of NaOH has a mass of 39.997 g.…

Q: 8) What volume of 0.123 M NaOH contains 25.0 g of NaOH? Express your answer in milliliters.

A: Molarity = 0.123 M

Q: 1) What mass of NaOH (in grams) do you need to make 250.0 mL of a 1.50 M NaOH

A: The molarity of the solution is given by the equation, molarity=moles of solutevolume of solutionL…

Q: A. Magnesium chloride has a formula of MgCl2 · 6H2O. What is its formula weight? B. You desire to…

A: The empirical formula is the chemical formula of any compound that represents the proportions of…

Q: A dose of Brand X cough syrup has a mass of 32.0 g and contains 0.850 g acetaminophen. What is the…

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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: If I dissolve 12.4 grams of NaOH in 1.533 L of water, what is the Molarity of the solution? Enter…

A: Molarity is the ration of no of moles of solute dissolve with the volume of the solution in litres .…

Q: Mass of Erlenmeyer flask: 25.52 g Mass of Erlenmeyer Flask + Calcium Hydroxide Solution (lime…

A: Mass of Ca(OH) 2 = 2.92 g Density of Ca(OH) 2= 1 g/ml As we know        Density = mass/ volume We…

Q: What volume of 0.220 M NaOH, in milliliters, contains 45.0 g of NaOH? Volume mL %3D

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Q: To what volume (in mL) would you need to dilute 30.0 mL of a 1.35 M solution of NaI to make a 0.0850…

A: Dilution of a solution means we have to add water in the solution. In dilution process no of moles…

Q: To make 1.00 L of 1.00 M NaOH solution, what mass of NaOH needs to be weighed out?

A: 1 M NaOH solution means 1 mole NaOH is present in 1000 mL means 1 L solution.

Q: What is the molarity of a solution made by mixing 2.77 g of potassium hydroxide with enough water to…

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Q: What is the molarity of a solution prepared by dissolving 4.20 g NaF in enough water to make 0.400 L…

A: Molarity is defined as  Molarity = moles of solute / volume of solution in L  Since volume of…

Q: oluene 1C7H82 weighs 5.0 g and benzene weighs 225 g in a solution with a density of 0.876 g/mL. The…

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

Q: How many grams of copper sulfate would you need to make 9 L of a 2 M copper sulfate solution (m.w. =…

A: Molarity = Number of moles of solute, molvolume of the solution in Lmoles =  mass in g Molecular…

Q: 1) If 56.2 mL of BaCl2 solution is needed to precipitate all the sulfate ion in a 746 mg sample of…

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Q: What is the concentration (in M) of a sodium chloride(NaCl) solution prepared by dissolving 16.5 g…

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

Q: 145 mL of a .22 M solution is left out overnight.  If the molarity of the solution was .30 M the…

A: Initial Molarity of solution = M1 = 0.22 MInitial Volume of solution = V1 = 145 mLFinal Molarity of…

Q: What is the molarity of a solution made by dissolving 17.5 grams of NaCl in enough water to make 172…

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Q: 30. The molarity of a solution containing 2.5 mol of acetic acid, HC2H3O2, in 400. mL of solution is…

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Q: To prepare the 5% calcium chloride solution called for in Question 1b, how many moles of calcium…

A: Mass of calcium chloride present in 100 g of solution = 5 g The number of moles of calcium chloride…

Q: A water sample collected downstream from a gold-mining operation returns a cyanide concentration of…

A: The gold cyanidation can be described as the cyanide procedure that is used for the extraction of…

Q: How much NaOH is in 5.2 L of a 0.48 M NaOH solution?   99.84 g  78.9044 g  74.4006 g  2.72448 g

A: Interpretation: The quantity of NaOH is in 5.2 L of a 0.48 M NaOH solution is to be determined.

Q: If you assume that there is 5% acetic acid in vinegar, how much vinegar should you weigh out so that…

A: Molar mass of acetic acid - 60.052 g/mol Given, Vinegar contains 5 % acetic acid Base required to…

Q: Calculate the volume of water (in mL) that must be added to 64.2 mL of a 5.92 mol/L NaClO3(aq)…

A:

Q: 3.45 mol of LiCl in 3.53 L of solution Express the molarity in moles per liter to three significant…

A: Given  (a)  Number of mole of LiCl = 3.45 mole        Volume = 3.53 Liter        Molarity = ?  (b)…

Q: 1. How many moles of potassium chloride, KCl, are in 35.0 g of KCl. 2. Enter your answer with both…

A: 1.) Given  mass of KCl = 35.0 g    Required data - molar mass of KCl = 74.5 g/mol   Formula used…

Q: A 0.056 mol/L Na2CrO4 solution contains 9.100 g NaCrO4- What is the volume of the solution

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Q: What laboratory equipment do you need to prepare 250 mL of a 0.010 M solution of NaCl from a stock…

A: The molarity of a solution is used to define the concentration of solute in that solution. The…

Q: 1. If the density of ocean water at a depth of 1.00 x 104 m is 1.071 g/mL and if 26.0 g of water at…

A: 1. Calculating molarity of potassium chloride in the sample: Given:

Q: Calculate the molarity of a solution prepared by dissolving 12.50 grams of NaNO3 in 250. mL of…

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

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

A: Given that  Mass of NaCl = 9.3g  Volume of solution = 350ml

Q: To what volume (in mL) would you need to dilute 40.0 mL of a 1.25 M solution of NaCl to make a…

A: According to the law of dilution, the following relation is obtained: C1V1 = C2V2…

Q: What is the molarity of a 15mol NaOH solution with a total volume of 123 mL?

A:

Q: A 9.33 % solution of sulfuric acid has a density of 1.07 g/mL.  What is the molarity (M) of this…

A: Given: The density of 9.33 % solution of sulfuric acid is 1.07 g/mL The mass percent is 9.33%

Q: In the lab, a student makes a solution of NaOH by dissolving 49.0 grams of solid in 195 mL of water.…

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Q: The concentration of solutes in the body fluids averages ~0.9% . Solutions of this concentration are…

A: The concentration of solutes in the body fluids ~0.9 % (w/v) Mass of sodium chloride, NaCl in grams…

Q: What volume of 0.244 M NaOH, in milliliters, contains 30.0 g of NaOH? Volume mL %3D

A: Molarity of the solution is obtained by dividing the number of moles of solute by the volume of…

Q: A chemist prepares a solution of potassium bromide    KBr    by measuring out  0.17g  of  KBr…

A: Given : Mass of KBr dissolved = 0.17 g Volume of final solution = 300 mL = 0.300 L…

Q: What mass in grams of solute is needed to prepare 0.110 L of 0.126 M K2Cr2O7? Express your answer to…

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Q: What is the molarity of a solution containing 36.3 g of NaOH in 1.40 L? The molar mass of NaOH is…

A: The mass of the NaOH given = 36.3 g The volume of the solution = 1.40 L The molar mass of NaOH =…

Q: A chemist prepares a solution of aluminum chloride (AlCl3) by measuring out 35.2 g of aluminum…

A: Given: Weight of the aluminum chloride is 35.2 g. Volume is 100 mL.

Q: A solution is prepared by dissolving 125 g of NaCl in enough water to make 780 mL of solution.…

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Q: How many grams of sodium carbonate are present in 25.7 mL of a solution that is 24.0% sodium…

A: Mass of solution can be calculated as follows: