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

Q: calculate the mass in grams of Casoy 250 ml of 0.630M Solution

A:

Q: Prepare 250 ml of a standard solution of sodium carbonate (106g / mol) at a concentration of 0.3N?

A: Calculation of mass of sodium carbonate:                   Concentration of standard solution = 0.3…

Q: What volume in mL of 0.3000 M NaCl solution is required to produce 0.2750 moles of NaCl?

A:

Q: What volume in mL of 0.3000 M NaCl solution is required to produce 0.2900 moles of NaCl?

A: Molarity of a NaCl solution is equal to the number of moles of NaCl dissolved in one liter of a…

Q: What volume in millimeters of a 12.0 M HCl solution is needed to prepare the following  a) 250.0 mL…

A: Dilution equation :-  c1 V1 =c2 V2  c1 = initial concentration or molarity V1 = initial volume (in…

Q: de aqueous solutions of t e as the solids (see ima

A: Given as, CrCl3.6H2O is CrCl2H2O4Cl.H2O2

Q: e. 500 ml of 1.0 M HCI solution from a concentrated reagent.

A: A stock solution is prepared by weighing out an appropriate portion of a pure solid or by measuring…

Q: How much of each salt (KI and Pb(NO3)2) is weighed to prepare 0.1 M aqueous KI and 0.1 M aqueous…

A:

Q: Suppose that 10.00 mL of 0.0100 M IO3-  solution requires 9.43 mL of the thiosulfate solution to be…

A: Given data,

Q: 1. Compute for the mass of NaCl solid that is needed to prepare 25 mL of 5% (mass/vol) solution. 2.…

A:

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 number of moles of NaOH are present in the 250 mL of 0.25 M solution?

A:

Q: Explain SOLUTIONS OF SOLIDS IN LIQUIDS?

A: The dissolution of any substance in a liquid to form a solution is governed by the basic principle…

Q: What volume in mL of 0.3000 M NaCl solution is required to produce 0.1700 moles of NaCl?

A: Given, Molarity = 0.3000 M Number of moles of NaCl = 0.1700

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…

A:

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: 4. How many milliliters of a 0.500 M solution can be prepared by dissolving 7.00 grams of sodium…

A: Molarity is the number of moles of solute present per liter of the solution.

Q: What volume in mL of 0.3000 M NaCl solution is required to produce 0.2300 moles of NaCl?

A: Given: Molarity of NaCl= 0.3000 M Moles of NaCl = 0.2300 moles To Calculate: Volume of Solution (mL)

Q: Define the terms solute and solvent. A screwdriver is a solution composed of vodka and orange juie.…

A: Define the terms solute and solvent.  A solution is composed of two types of parts, one is solute…

Q: You    have    a    250    mM    stock solution of    Tris.    What    volume    of    this    stock…

A:

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

A: Given that :Volume of solution = 250g KCl mass percent = 5%

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 mL of 0.300 M NaCl solution are required to produce 0.210 moles of NaCl?

A: No. Of moles=molarity*volume Hence, 0.210=0.3*V.                   V= 0.7 L

Q: 1. How do you prepare a 250-mL of 0.125 M NaOH solution? a. From solid NaOH pellets (by dissolving)…

A:

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: How many milliliters of 1.20 M NaOH solution can be prepared from 0.300 mole of NaOH?

A: Since molarity of the solution is given as 1.2 M And molarity = moles of solute / Volume of solution…

Q: how many milliliters of an aqueous solution of 0.124 M barium hydroxide is needed to obtain 12.7…

A: We have to predict the volume of solution in mL.

Q: What mass of  is contained in 150.0 mL of a 0.340 M sodium hydroxide solution? Mass =  g

A: Molarity of the sodium hydroxide solution is 0.340 M. Volume of the sodium hydroxide solution is 150…

Q: How many moles of potassium chloride are needed to precipitate all the lead(II) ion from 19.0 mL of…

A: Given: Volume of lead(II) nitrate is 19.0 mL Molarity of Lead (II) nitrate is 0.450 M The reaction…

Q: Part A How much concentrated solution would it take to prepare 2.95 L of 0.585 M HCl upon dilution…

A:

Q: Calculate the molarity of 0.127 mol of sucrose in 655 mL of solution.

A: By definition of molarity, No. of moles of solute dissolve in one litre of the solution is know as…

Q: Calculate the morality of a solution prepared by dissolving 1.56g of gascous HCI in enough water to…

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

Q: 40.0 g of KCI are dissolved in enough water to give 0.850 L of solution.

A: Concentration of a solution can be expressed in terms of molarity, molality, mass percent, mole…

Q: Calculate the molarity 0.150 mole of urea (CH4N2O) in 2.50 × 102 mL of solution

A: Molarity = moles of solute present in one litre of solution

Q: How many grams of GaCl3 are needed to produce 151.4 mL of a 0.109M GaCl3 solution?

A:

Q: What mass of NaCl is dissolved in  400. g   water in as 0.250 m solution?

A: 1- First calculate the moles of NaCl :  Mass of solvent = 400g × ( 1kg / 1000g )  We know that, 1kg…

Q: What volume in mL of 0.300 M NaF would be required to make a 0.0800 M solution of NaF when diluted…

A:

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

A:

Q: A paint requires 45.5 g of iron(III) oxide to give it the right yellow tint. How many grams of a…

A: Mass percent explains the concentration of a substance in a mixture, which is represented as %. Mass…

Q: How many grams of CUSO4.5H2O (249.68 g/mol) should be dissolved in a volume of 500.0 mL to make 8.00…

A: Given,  Millimolarity of Cu2+ = 8.00 mM  Volume = 500.0 mL  Molar mass of CuSO4.5H2O = 249.68 g/mol…

Q: What is the purpose of stirring a solution while it is being heated? Select one: To encourage sudden…

A: By stirring the solution heat is uniformly distributed through the solution.

Q: How would you prepare a 250-mL of 0.125 M NaOH solution?  a) From solid NaOH pellets (by…

A: We have to predict the steps for preparing the solution.

Q: calculate the final concentration when a 28.0 mL sample of 25% (m/v) sodium chloride solution is…

A: Given: Initial concentration, C1=25% (m/v) Initial volume, V1=28.0 mL Final concentration, C2=? The…

Q: from this solution prepare 0.05 N , and 0.02 N solution in 250 ml distill water ?

A: From a stock primary standard solution we can prepare others solution .

Q: How many mL of 0.300 M NaCl solution are required to produce 0.115 moles of NaCl?

A: We have to find volume of 0.300 M NaCl solution are required to produce 0.115 moles of NaCl

Q: #1 Calculate the molarity of the following solution: 0.50 moles of CaCl, in 3500 mL of solution.

A:

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

A: The given amount of KI is 150 grams.

Q: A 113 – mL sample of a 1.4 M sucrose solution is diluted to 600 mL . -

A: The given information is as follows: The initial volume of the sucrose solution V1= 113 mL The…