Imagine you transferred 5.0 mL of 1.5 M NaCl stock solution and diluted it to make a new 250.0 mL solution. How many grams of would you need to make a second 250.0 mL solution at the same concentration ?

Q: How many mL of water do you need to add to 126 mL of a 0.53 M solution of acetone in order to create…

A: The solution of acetone contain acetone as a solute and water as a solvent. Thus for dilution of…

Q: A chemist must prepare 0.525L of 9.00 M aqueous silver nitrate (AgNO,) working solution. She'll do…

A: Generally we prepare working solution from stock solution by dilution ( distilled water ) so, we…

Q: A mass of 105 g KCl is dissolved in 650 grams H2O. What is the concentration of this solution…

A: Mass percentage = weight of solute Weight of solution ×100

Q: How many milliliters of a 3.95 M LiCl solution contain 13.9 g of LiC? Express your answer with the…

A: MW of LiCl = 42.394 g/mol mass given = 13.9 g Moles of LiCl=13.9 g42.394 g/mol=0.32787 mol

Q: One solution contains 44% alcohol, and another solution contains 81% alcohol. How many liters of 81%…

A: Given  One solution contains 44% alcohol, and another solution contains 81% alcohol. We need to find…

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: How many ml of 15% hydrochloric (HCl) acid solution must be mixed with a 5% hydrochloric (HCl) acid…

A: The question is based on the concept of solutions. we have to calculate volumes of the solution…

Q: A solid mixture consists of 30.9 g of KNO3 (potassium nitrate) and 5.2 g of K2SO4 (potassium…

A: As the given mass of the following salts is:-KNO3 = 30.9 gK2SO4 = 5.2 gThese salts are dissolved in…

Q: You have a stock solution of 9.00 M nitric acid. How many mL of the stock solution would you need to…

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Q: How many grams of sucrose are needed to make 815 mL815 mL of a 36.0% (w/v)36.0% (w/v) sucrose…

A: Given data: 815 mL of a 36.0% (w/v) sucrose solution   w/v % represents the weight or grams of…

Q: Sea water contains roughly 28.0 g of sodium chloride NaCl per liter. What is the molarity of sodium…

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

Q: KOH and NaOH are dissolved in water to form a 2.48 molar solution. If 42.9 g of NaOH are used and…

A: Amount of KOH in the solution of KOH and NaOH is to be calculated. Given: Molarity of Solution of…

Q: A solution is made when 137 g of NaCl is dissolved in enough water to form 836 mL of solution.…

A: Given  mass of solute ( NaCl ) = 137 gram  Volume of solution      = 836 mL density       = 1.06…

Q: How many grams of LiOH (OR L i OH) would be required to prepare a 0.645 M solution with a volume of…

A: We have to calculate the mass of LiOH.

Q: A mixologist diluted 15.00 mL of ethanol solution with a concentration of 40.0% (alcohol by volume)…

A: Concentration of a liquid solute in liquid solvent  can be expressed in terms of molarity,…

Q: A chemist reads a solubility table and finds that 38.0 grams of table salt is the maximum amount of…

A: Solubility :- The maximum amount of solute that can be dissolved in given amount of solvent is…

Q: 4. When 2.00 grams of KMN04 is dissolved into 100.0 mL of solution, what normality results? How many…

A: Molarity is defined as the number of moles of solute dissolved in 1 L of solution while normality is…

Q: a chemist wants to make 5.5 L of a 0.300 M CaCl2 solution. What mass of CaCl2 (in g) should the…

A: Given : Concentration of CaCl2 = 0.300 M And volume of solution = 5.5 L

Q: What volume of a 4.60 M solution of NaNO3 do you need to make 0.450 L of a 1.00 M solution of NaNO3?…

A: The dilution law is shown below: M1×V1 = M2×V2 M1 = molarity for concentrated solution M2 = molarity…

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: Five different solutions were prepared in the laboratory. One was prepared by dissolving 7.1 g…

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Q: A 2.80 M aqueous solution of LiCI has a density of 1.0626 g/mL. If the total mass of the solution is…

A: Molarity (M) :-  The number of moles of solute dissolved in one litre of solution is defined as…

Q: A student is making a solution of sugar in water. If the student uses 0.67 moles of sugar and enough…

A:

Q: There are 10 groups in your class. In the formulation of Concentrated Peppermint Water, you are…

A: Given: Volume of final solution = 800 mL. And volume of stock solution taken = 756.9 mL.

Q: If 7.78 g of CuNO3 is dissolved in water to make a 0.770 M solution, what is the volume of the…

A: Molar mass of CuNO3 is 125.55 g/mol. Given that mass of CuNO3 taken = 7.78 g Molarity of solution =…

Q: 1)A 191 −mL sample of a 1.4 MM sucrose solution is diluted to 450 mL. What is the molarity of the…

A: Since you have posted a question with multiple questions, we will solve first question for you. To…

Q: A student was answering the following question and made a mistake. Identify the mistake and correct…

A: Given data,Mass of solution=350gPercentage by mass=58%

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: This lab used 6 M HCl that was diluted from a higher concentration.  If your lab instructor asked…

A: • Concentration (C) = No. of molesVolume• No. of moles = Concentration (C) x Volume (V)# If dilution…

Q: Suppose 1.87 g of zinc bromide is dissolved in 150. mL of a 0.10 M aqueous solution of potassium…

A: Moles of Znbr2=(1.87/225)=0.00831  Moles of Br-=2*0.00831=0.01662

Q: calculate the mass percent of your solution. show your calculations

A: Mass percent is the physical quantity used to define the concentration of the species Mass percent…

Q: You have a solution of NaCl that has a molarity of  3.359 M.  You want to make a dilute solution of…

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Q: What volume of a 1.63 mass % solution of Mg(NO3)2 is needed to contain 0.316 grams of Mg(NO3)2. The…

A:

Q: A cola drink contains 10.6 g of sucrose per 100 mL. (i) Calculate the molarity of the sucrose…

A: Given : Mass of sucrose i.e C12H22O11 = 10.6 g And volume of solution = 100 mL = 0.100 L…

Q: student is making a solution of sugar in water. If the student uses 0.85 moles of sugar and enough…

A:

Q: ow many grams of ethanol, CH3CH2OHCH3CH2OH, should you dissolve in water to make 1.50 LL of vodka…

A:

Q: What volume of 5.0 M sucrose solution is needed to make 3.00 L of 0.043 M sucrose solution? _____ mL…

A: This problem can be solved by using the molarity equation which may be writtenas :…

Q: In a student experiment, the empirical formula of a copper halide was found by adding aluminum metal…

A: Empirical formula is the simplest chemical formula that represents a compound. It is related to…

Q: How many mL of water do you need to add to 171 mL of a 0.42 M solution of acetone in order to create…

A: Initial concentration, M1 = 0.42 M The initial volume of solution, V1 =171 mL Final concentration,…

Q: A student dissolved 1.78 g of magnesium chloride in 0.500 L of water to prepare a solution of…

A: It is given that,in the first flask amount of MgCl2 dissolved = 1.78 gVolume of water = 0.500L…

Q: Suppose 0.439g of zinc chloride is dissolved in 150.mL of a 53.0mM aqueous solution of potassium…

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Q: A student measured out 890. mL of an acetic acid solution with a concentration of 0.727 M. How many…

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Q: A 2.80 M aqueous solution of LiCI has a density of 1.0626 g/mL. If the total mass of the solution is…

A:

Q: 54. Potassium sulfate has a solubility of 15 g/100 g water ar 40°C. A solution is prepared by adding…

A: Given : solubility of potassium sulfate i.e K2SO4 is 15 g/100 g water  Mass of K2SO4 added = 39.0 g…

Q: What mass of potassium permanganate would be required to make 500.0 mL of solution with a…

A: When two compounds are mixed together and they form a solution. The compound which is present in…

Q: You have a 2.00 M solution of sucrose and need to use it to make 1.0 L of a 0.500 M solution of…

A: Given conditions areOriginal Molarity of the sucrose solution= 2.0MNew molarity of the sucrose…

Q: How many gallons of a 3% salt solution must be mixed with a 7% salt solution tô öbtäin 100 ĝallöns…

A: It is given that 3 % solution is mixed with 7% solution to give a 5% solution. Let us assume that we…

Q: A preparation of soda ash is known to contain 98.6% Na2CO3 (105.99 g/mol).  If a 0.678-g sample…

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Q: An aqueous solution of acetone is made by transferring 6.86 mL of liquor acetone to a 100 mL…

A:

Q: How many grams of sucrose (molar mass = 342.3 g/mol) are needed to make 550.0 mL of a 0.31 M…

A: