A) Illustrate how do you prepare a stock solution of 0.01 g of NaNO2 in one liter of distilled water in laboratory.

Q: How would you safely prepare 500. ml of 1.00 M H2SO4 solution from a 12.4 M H2SO4 stock solution?

A: Given that, molarity of stock solution, M1 = 12.4 M  volume of H2SO4, V2 = 500. ml  molarity of…

Q: The normality of an aqueous solution of hydrobromic acid is determined by titration with a 0.148 N…

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

Q: How many grams of iron(II) acetate are in 19.89 g of a 2.49 % by mass iron(III) acetate solution?

A: Given data :  Mass of iron acetate = 19.89 g  Mass percent =2.49%  Formula used :  Mass percent =…

Q: How many liters of a 3.66  M M K2SO4K2SO4 solution are needed to provide 76.2  g g of K2SO4K2SO4…

A: Let the volume of solution of 3.66 M be V    We know that Molarity of a solution is the number of…

Q: Calculate the mole fraction of the ionic species KCl in the solution. Express the concentration…

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Q: How many grams of NaCl are contained in 100.0 mL of a 2.64 M solution?

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Q: grams

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Q: A) How many grams of KOH are needed to prepare one liter of 5.37M solution?B) From this solution,…

A: A.) 301 g of KOH is needed to make one liter of 5.37 M solution .B.) 32 ml of 5.37 M solution is…

Q: (a) What mass of strontium nitrate (Sr(NO,),) would be required to prepare 2.000 L of a 0.0170 M…

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Q: Calculate the grams of CuSO4 . 5H2O needed to prepare for a 50 mL of 0.40 M stock solution.

A: Given Volume of stock= 50 ml = 0.05 L Concentration of stock= 0.40 M

Q: How many grams of lithium nitrate LiNO3 (69.9g/mol) are required to prepare 413.1 ml of a 0.336 M…

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Q: How many grams of NaCl are contained in 00.0 mL of a 1.22 M solution?

A: Molarity is defined as number of moles of solute divide by volume of solution in liter

Q: Describe how to prepare 500 mL of 0.250 M NaCl solution.

A: Given: molarity of NaCl = 0.250 M Volume of solution = 500 mL molar mass of NaCl = 58.44 g/mol

Q: At what temperature will 150 grams of KI saturate the solution ?

A: Given the mass of potassium iodide (KI) is 150 grams.

Q: How many moles of MgCl2 would be found in 250.0 mL of 0.125 M MgCl2?

A: solution

Q: How many number of moles of NaOH are present in the 250 mL of 0.25 M solution?

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Q: Answer the given questions. Write down your answer and solutions clearly. 1. Sterling silver…

A: 1. % of silver = 93.5%  Mass of necklace = 15 g  2.  % of alcohol = 70 %  Volume of rubbing alcohol…

Q: 2. HOW MANY MOLES OF SOLUTE ARE CONTAINED IN THE FOLLOWING SOLUTIONS? (SOLVE AND SHOW NUMERICAL…

A: Molarity of solution is given by-Molarity = Moles of soluteVolume of solution in Litre1000 ml = 1 L∴…

Q: 7. What weight (in grams) of H₂SO4 would be needed to make 750.0 mL of 2.00 M solution?

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Q: • How many milliliters of 0.250 M NaCI solution must be measured to obtain 0.100 mol of Naci?

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Q: How would you make the following solutions (all solutions are aqueous)? A mathematical answer as…

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Q: A bleaching solution requires 2.08 g of sodium hypochlorite. How many grams of a 21.5% by mass…

A: Given, mass of solution =2.08 gmass percent of solution =21.5 %we are asked to calculate the mass of…

Q: How would you prepare a 175.0 mL solution of a 0.150 M of AgNO3 solution starting with pure AgNO3?

A: Given, the volume of solution V =175.0 mL =0.175 Lconcentration of AgNO3 solution =0.150 Mwe are…

Q: To what volume should you dilute 125 mL of an 8.00 M CuCl2 solution so that 50.0 mL of the diluted…

A: In the given question we have to calculate the volume of diluted solution by using the dilution law,…

Q: Give a clear handwritten answer with explanation..What is the concentration (in ppm) of nitrite in a…

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Q: How many grams of copper (II) iodide, CuI2, are contained in 368 mL of a 0.276 M solution?

A: Given values -> Volume = 368ml = 368 ×10^(-3) ( 1 litere = 1000ml)…

Q: A certain brine has 3.87% NaCl by mass. A 75.0 mL sample weighs 76.9 g. How many liters of this…

A: The objective of the question is to find out how many liters of a brine solution, which contains…

Q: What mass of CSCI must be added to 440. g of water to produce a 1.25 m solution? O 25.8 g 0.489 g…

A: Molality is defined as the “total moles of a solute contained in a kilogram of a solvent

Q: How would you prepare 250 mL of a 0.150 M solution of CoCl2 from solid CoCl2 and distilled water? Be…

A: To prepare 250 mL of a 0.150 M solution of CoCl2 from solid CoCl2 and distilled water, you would…

Q: How many grams of KMnO4 are required to make 250mL of 0.020M KMnO4 solution?

A: Volume of KMnO4 solution V = 250 mL Concentration of KMnO4 solution (C) = 0.020 M We have to…

Q: To what volume should you dilute 30mL of a 13 M stock HCl solution to obtain a 0.580 M HCl solution?

A: Since the dilution is a process in which we just add water to increase the volume of the solution…

Q: How many grams of aluminum oxalate, AlGo would be needed

A: Molarity = number of moles of solute/volume of solution (in L)  So,  Number of moles = molarity ×…

Q: 7. How many Liters of 18.0M H2SO4 are required to prepare 1.0 L of a 0.900 M solution ?

A: The given problem relates to stock dilution, so we can use the below relation to calculate the…

Q: 2. The volume of a 2.25 M solution of sodium permanganate that coins 4.00 moles of solute would be

A: Molarity is a concentration term which is defined as the number of moles of solutes dissolved per…

Q: To what volume should you dilute 125mL of an 8.05 M CuCl2 solution so that 49.5 mL of the diluted…

A: The process that helps in lessening any solution's concentration is referred as "dilution". In this…

Q: 13) During the process of diluting a solution to a lower concentration, A) the amount of solute does…

A: Given: Process of diluting a solution to a lower concentration.

Q: how many grams of solid CaCl2 should a student dissolve in water to prepare a 123mL aq solution of…

A: Required amount of a solute to prepare a solution of desired concentration can be calculated as…

Q: What is the Solubility of Oxygen O2 , in water ( in units of mL/1000g H2O)?

A: Solubility is 27.99 mL/1000g H2O

Q: it is desired to prepare 0.500 L of a 0.192 M of solution of NaCl from 1.00 M stock solution. how…

A: Given,  Initial Molarity M1 = 1.00 M V1 = ? V2 = 0.500 L M2= 0.192 M

Q: A bleaching solution requires 2.16 g of sodium hypochlorite. How many grams of a 21.5% by mass…

A: Given Mass of sodium hypochlorite (solute)        = 2.16 g percentage by mass of solution = 21.5%

Q: Determine the mass of Na2S2O3.5H2O required to prepare 0.1N solution in 50 ml volume.

A: Given Normality of solution = 0.1 N  Volume ( V ) = 50 mL                       = 0.050 Liter…

Q: Calculate the molality of KCl in the solution. Express vour answer with the appropriate uni

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Q: 3. How would you prepare 350 mL of 0.500 M CaCl₂ from a 2.00 M CaCl₂ solution?

A: Given : volume of dilute solution = 350 mL              Conc.  of CaCl2 in dilute solution = 0.500M…

Q: An experiment requires 150.0 mL a 0.255 M solution of MgCl2. How many grams of MgCl2 are required?

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