A student prepared a 12.5 M stock solution of CaCl2. What volume of the stock solution in milliliters would they need to prepare 207 mL of a new 4.50 M solution? A Moving to the next question prevents changes to this answer. Question 1 of 25 >

Q: In the laboratory you are asked to make a 0.434 m calcium iodide solution using 375 grams of water.…

A: Given information,   0.434 m calcium iodide solution   Mass of water = 375 grams = 0.375 kg

Q: What volume, in mL, of 2.52 M HCl is required to prepare 176.5 mL of a 0.449 M HCl solution?

A: Given: M1= 0.449 M M2= 2,52 M V1= 176.5 mL V2= ?

Q: An IV bag contains 6.7 g of sodium chloride per liter of solution. What is the molarity of sodium…

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Q: Calculate the molarity of each of the following solutions. A.) 27.03 g C6H12O6 in 1.25 L of…

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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: A student prepared a 0.12 M solution of NaOH with a volume of 66 mL. What was the original…

A: Concentration of original solution can be calculated using molarity equation :         M1V1 = M2 V2…

Q: I have 571 mL of a 4.1 M NaCl solution. If I boil the water until the volume of the solution is…

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Q: If a chemist wishes to dilute a 1.000 × 103 mg/L stock solution to prepare 5.000 × 102 mL of a…

A: Given, Concentration of stock solution = 1.000 × 103 mg/L Volume of diluted solution = 5.000 × 102…

Q: What volume, in mL, of a 0.35 M Mg(NO3)2 aqueous solution contains 87 g of Mg(NO3)2?

A: Definition of Molarity is, Molarity is the number of moles of solute dissolve in one litre of the…

Q: You were tasked to prepare nitric acid with a concentration of 1.64 M. What will be the volume (in…

A:

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: n the laboratory, a student dilutes 19.3 mL of a 9.21 M hydrobromic acid solution to a total volume…

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Q: In a certain medical test designed to measure carbohydrate tolerance, an adult drinks 7 ounces of a…

A: Given values: Total amount of solution = 7 ounces Let the amount of 30% glucose solution be 'x'

Q: An aqueous solution is 22.3 % by mass KBr and has a volume of 274 mL with a density of 1.18 g/mL. If…

A: To solve this problem first we have to calculate the mass of solution using volume and density And…

Q: At your next lab assignment, you are instructed to prepare 250 mL of 0.500 mol/L HCl by dilution of…

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Q: Determine the molarity of an AgNO3 aqueous solution that is 31.5% by mass given that its density is…

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Q: How many liters of a 7.0 % (m/v) glucose solution would you need to obtain 75 g of glucose? Express…

A: Since % m/v is defined as % m/v = mass of solute X 100 / volume of solution  Since solute here is…

Q: In the laboratory you dilute 5.54 mL of a concentrated 3.00 M hydrochloric acid solution to a total…

A: Given data is as follows: The Molarity of the hydrochloric acid  M1=3.00 M The volume HCl = 5.54 mL…

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: In the laboratory you dilute 3.30 mL of a concentrated 3.00 M perchloric acid solution to a total…

A: Given :-  Initial concentration of solution = 3.00 M  Initial volume = 3.30 mL  Final volume = 175…

Q: Enter your answer in the provided box. How many grams of solute are needed to make 870 mL of 6.46 x…

A: Given data: Volume = 870 mL Concentration of potassium sulfate = 6.46×10-2 M

Q: A 20% by mass solution of phosphoric acid (H3PO4) in water has a density of 1.114 g/ml at 20 C. What…

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Q: A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4Na3PO4, for a laboratory…

A: Mass of Tribasic Sodium Phosphate required to produce 375 mL of a solution that has a concentration…

Q: In the laboratory you dilute 4.49 mL of a concentrated 6.00 M nitric acid solution to a total volume…

A: Given, Volume of nitric acid = 4.49mL Molarity of nitric acid = 6.00 M

Q: A chemist needs 13.81 mL of 1.458 M NaCl. What volume in mL of 3.767 M NaCl must be diluted in water…

A: Moles before dilution and after dilution ae same as per mole concept.

Q: Your lab partner gets out a 100-mL graduated cylinder and a 100-mL beaker to prepare 100.00 mL of…

A: We already have a 1.201 M solution. We need to dilute it to make 100ml of 0.1201 M

Q: 69.0 mL of 2.0 M Sr(OH)2 are mixed with 31.0 mL of 1.8 N Sr(OH)2 . What is the normality of the…

A: Given Sample 1 : Molarity of Sr(OH)2 = 2.0 M , volume = 69 ml Sample 2 : Normality of Sr(OH)2 = 1.8…

Q: A student needs to make 250 mL of 1.4 M Fe(NO3)3 by dilution. How many milliliters of a 5.0 M…

A: Given data :  Initial molarity of Fe(NO3)3 (M1) is 5.0 M Final volume of Fe(NO3)3 (V2) is 250 mL.…

Q: A patient must drink 4.5oz of a prescribed solution. If only a teaspoon is available, how many…

A: Given,   A patient must drink 4.5oz of a prescribed solution. The number of teaspoons should be…

Q: Suppose 1.24 g of sodium chloride is dissolved in 200. mL of a 28.0 m M aqueous solution of silver…

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Q: You wish to make a 0.397 M nitric acid solution from a stock solution of 6.00 M nitric acid. How…

A: With data's given  We are calculating total volume by using dilution formula as follows

Q: What mass of KBr (in grams) should you use to make 250.0 mL of a 1.20 M solution of KBr? Express the…

A: We have to predict the mass of salt needed.

Q: In the laboratory you dissolve 22.3 g of ammonium nitrate in a volumetric flask and add water to a…

A: Molarity is given by the ratio of number of moles to that of the volume of the solution.

Q: In the laboratory you dissolve 14.1 g of chromium(III) nitrate in a volumetric flask and add water…

A:

Q: A student uses a pipette to dilute 1.00 mL of a standard iron solution to 50.0 mL. If the µg what…

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Q: Suppose 1.73g of barium nitrate is dissolved in 100.mL of a 63.0mM aqueous solution of sodium…

A: Stoichiometry is mainly based on the calculation of moles and molarity. These two values are used to…

Q: 2) An aqueous solution is 3.0 M hydrochloric acid and has a density of 1.1 g/mL. How many mmol of…

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Q: You are trying to prepare 75 mL of 1.00 M sodium chloride solution. How many grams of sodium…

A: Given data,The volume of NaCl = 75 mLThe concentration of NaCl = 1.00 MMolar mass of NaCl =…

Q: The volume of a 1.00 M HCl solution must be diluted to obtain 200 mL of a 0.250 M HC1 solution is…

A: The Volume of 1.00 M HCl solution after dilution can be calculated as follows: M1V1 = M2V2

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: Assuming the volume of a pink freezer pop solution is 30.0 ml and the concentration of red pop is…

A: Given,  Volume = 30 ml                 = 30×10-3L = 0.03L Concentration of red pop = 3.03g/L To find…

Q: An aqueous solution of 2.54 M silver nitrate, AgNO3, has a density of 1.35 g/mL.The percent by mass…

A: The percent by mass of AgNO3 in the solution is calculated in step two.

Q: The mass of solute per 100 mL of solution is abbreviated as (m/v). Mass is not technically the same…

A: % (w/v) = (100 x Mass of solute in g)/Volume of solution in mL

Q: In the laboratory you dissolve 18.4g of ammonium sulfide in a volumetric flask and add water to a…

A: The number of moles of solute to the volume of solution in liters is known as molarity. The…

Q: A diluted solution of sulfuric acis , H2SO4, has a density of 1.523 g/mL. The solution contains 50.0…

A:

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: You are asked to prepare 52 mL of a diluted solution that contains 5 g CuCl2, to what volume should…

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Q: What volume (mL) of a concentrated solution of calcium chloride (9.00 M) must be diluted to 350. mL…

A: Since we are just diluting the concentrated solution  Hence the moles of calcium chloride will be…

Q: According to the label on a bottle of concentrated hydrochloric acid, the contents are 36.0% HCl by…

A: By considering the total mass of the solution be 100 g. The amount (m) of HCl present is 36.0 g. The…