1.- The number of grams of Li2CO3 in 225 mL of 1.55 M Li2CO3 solution

Q: Calculate the number of moles of solute in each of the following solutions:   (a) 8.4 L of 6.31 M…

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Q: Calculate the volume percent of 418 mL of acetone in enough water to give 1.23×103 mL of solution.…

A: Given : Volume of acetone = 418 mL And volume of solution = 1.23 X 103 mL = 1230 mL

Q: which solution is more concentrated? Solution A contains 50.0 g of CaCO3 in 500 mL of solution.…

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Q: How much diluent is needed to prepare 1L of 2.5 M solution of KCI if the available stock solution is…

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Q: 39) What volume of a 2.00 M KCI solution is required to prepare 500 mL of a 0.100 M KCI solution?…

A: Since the moles of KCl will come only from the 2 M KCl solution  Hence the moles of KCl in the final…

Q: 8. What volume (in mL) of a 2.0 M K2CRO7 solution must be diluted to prepare 500 mL of 0.10 M K2CRO7…

A: The equation used for dilution process is  M1V1=M2V2 where, M1= molarity of concentrated solution…

Q: How many grams of KMnO4 are required to make 3.4 L of a 0.37 M solution? g

A: The molarity of the solution is defined by the number of moles of solute present in one liter of…

Q: Calculate the number of moles of solute in each of the following solutions: (a) 4.2 L of 6.16 M…

A: Molarity (M) is the amount of a substance in a certain volume of solution. Molarity is defined as…

Q: How many mL of 3.50 M H2SO4 solution is needed to prepare 250 mL of 1.25 M H2SO4 solution

A: Given data:  Initial molarity of H2SO4 (M1) is 3.50 M Final volume of H2SO4 (V2) is 250 mL. Final…

Q: solution containing 12.0 mmol CaCl2.2H2O is diluted to 1 L. Calculate the number of grams of CaCl2…

A: Given values mmoles of CaCl2 = 12.0mmol = 0.0120 mol Molar mass = 111g/mol Mass of CaCl2 =…

Q: What volume  (in mL) of 5.65 M HCl can be made by mixing 6.55 M HCl with 424 mL of 4.45 M HCl?

A: The 5.65 M HCL solution is made by mixing 6.55 M HCl with 424 mL of 4.45 M HCl.  The volume of 5.65…

Q: Part A: Determination of Densities of Pure Water and Calcium Chloride Solutions (1) Temperature of…

A: “Since you have posted a question with multiple sub-parts, we will solve first four subparts for…

Q: 1. Mother adds 5 ml of distilled water to 10.00 g of a powdered drug. The final volume of the…

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Q: How many grams of NaCl are present in 50.0 mL of a 7.50%(m/v) NaCl solution?

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Q: What volume of a 5.9 M HNO3 must be used to make 100.0 mL of 0.95 M HNO3  A solution is prepared by…

A: Given :  1. Concentration of HNO3 = 5.9 M  Volume of solution to be made = 100 ml  Concentration of…

Q: How many grams of KF are needed to prepare 175 mL of a 1.80 M solution? 0.315g…

A: Record the given data, The concentration of the solution in Molarity is 1.80 M The given volume is…

Q: NaCl molecular weight = 58.5 gm. How much solute is needed to make a 0.075% solution in 50 mL?…

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Q: a slotutipn of hydrochloric acid in water is 60.0% hcl and 40% water h20, by weight . the solution…

A: To calculate the concentration of a solution some units are used, One of the most used measurement…

Q: Solution R is prepared by dissolving 10.00 g of KF in 90.0 g of water. Solution S is prepared by…

A: Molarity of a concentrated solution is greater than the molarity of a diluted solution. Dilution is…

Q: What is the percent by weight (m/m) of a solution that contains 28 g NaCI disssolved in 88 g water?…

A: The percent by weight (m/m) of a solution is calculated as: m/m%=Mass of soluteMass of solution×100%…

Q: How many mL of 1.47 M NaCl are needed to contain 4.0 g of NaCI? Report to nearest 0.1 mL, with no…

A: The number of moles of solute present in 1L of the solution is known as the molarity of the…

Q: Dilution A. How many mL of concentrated nitric acid, HNO3, that is 12M do you need to make 500 mL…

A: Given -> M1= 12 M M2= 1.5M V2=500ml

Q: What is the new concentration of acetic acid when 6.00 mL of a 12 M solution are diluted to 100 mL?

A: During dilution, the solvent is increased in the solution. Dilution decreases the molarity. To…

Q: What is the boiling point in ºC of a solution made with 25 g of C6H12O6 (a nonelectrolyte) in 100 g…

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Q: 47.5 mL of ethyl alcohol in 236.9 mL

A: The v/v % (volume by volume percentage) concentration of ethyl alcohol is 20.0 %

Q: how many mL of a 0.555 M KNO3 (Mw=101.1g/mol) solution would contain 30.5 g of KNO3?

A: Given  Molarity of KNO3                  = 0.555 M Molecular weight of KNO3 = 101.1 gm/mole Mass of…

Q: How many moles of CH3CH2Br are contained in 548 mL of 0.0788 M CH3CH2Br solution? 5.25 × 10-2 mol…

A: Moles of ethyl bromide = molarity of ethyl bromide*volume of solution

Q: What volume of 1.50 mol/L stock solution is needed to make 125 ml of a 0.60 mol/L? 1.50 ml 2.7.2…

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Q: What is the concentration, in mass percent, of a solution that contains 20.0 grams of NaCl dissolved…

A: Mass percentage of a compound is used to express concentration of the compound in the solution. It…

Q: How many grams of NaCl is required to make 200.0 mL of a 0.125 M solution? 2. Calculate the  mass…

A: Given that: 1. Molarity of NaCl solution = 0.125M  Volume of solution = 200.0ml = 200.0ml×1L/1000ml…

Q: Which of the following statements is correct for 25.0 mL of 3.01 M NH3 solution? (MM = 17.0 NH3)…

A: Given : Volume of solution = 25 ml  Molarity of ammonia = 3.01 M

Q: If I dilute 35 mL of a 0.40 M CaCl2 solution to a volume of 53 mL, what will the concentration of…

A: Given that,  Volume of Concentrated CaCl2 solution V1 = 35 mL Molarity of Concentrated CaCl2…

Q: Given a stock solution of 25% glucose (MW = 180.16 gm); how much is needed to make 500 mL of 15%…

A: Answer: Mass and moles are always the extensive property, therefore they can be added or subtracted,…

Q: How many millimetres of 3.0 M H2SO4 are needed to make 450 mL of 0.10 MH2SO

A: The molarity is the concentration term defined as the number of moles of solute dissolved per liter…

Q: Calculate the specified value for each of the following solutions: a.) Calculate the number of…

A: a) Given that the concentration of the NaCl solution is 1.7 %(m/m) NaCl solution that means  1.70…

Q: You have a stock of 5.0 M NaCl. If you want to make 300.0 mL of .150 M NaCl, how many milliliters of…

A: M1= 5.0 M V1=300.0mL M2=0.150M V2=?

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: The following five beakers, each containing a solution of sodium chloride (NaCI, also known as table…

A: Answer:- This question is answered by using the simple concept of calculation of molarity of each…

Q: How much 0.045 M HCl solution can be made by diluting 250 mL of 12 M HCl?

A: First we will calculate the number of moles of HCl.Number of moles = Molarity × VolumeNumber of…

Q: How many milliliters (mL) of a 5.25% (w/v) HCl solution must be used to prepare 240 mL of a 0.175%…

A: Given that: Concentration of stock HCl(C1) = 5.25%(w/V) Concentration of final HCl solution(C2) =…

Q: How much water (ml) is needed to dilite 8.16 M stock solution of H2SO4 to prepare 5.00x10^2 ml of…

A: For dilution of a solution,  M1 V1 = M2 V2

Q: How many mL of 0.100 M NaCl would be required to maker a 0.0350 M solution of NaCL when diluted to…

A: Initial concentration(M1)= 0.1M Final concentration(M2)= 0.035M Initial volume(V1)=? Final…

Q: calculate the concentration in (m/v) of 100.0 g of nano3 dissolved in water for a final volume of…

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Q: How many grams of AlCl3 are needed to prepare 125ml of a 0.150 M solution

A: Molarity:- it is a concentration term. Molarity is the no. of moles of the solute present in a litre…

Q: 250.0 mL of a solution that contains 10.0 ppm Ca2+ is needed.  CaCO3 is provided as the source of…

A: Concept: To calculate the mass of  CaCO3 required to prepare the desired solution, first of all, we…

Q: A certain solution is 2.5% (w/v) NaCl (salt) in water. Calculate the number of grams of sodium…

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Q: Given a 100 mL solution of 0.050 M BaCl2●2H2O solution, which of the following statements is…

A: Answer: First of all we will calculate the number of moles of BaCl2.2H2O and then with help of this…

Q: How many mL of 0.190 M HCl solution are needed to provide 1.50 mole of HCl?   7.89 mL 127 mL…

A: We are given HCl solution whose molarity=0.190M Moles Of HCl=1.50 mol