. How many grams of pure H3PO4 are needed in the preparation of 250 mL of a 3.5 M solution of H3PO4? 1. How many ml of 86% w/w H3PO4 with a density of 1.71 g/ml are needed in the preparation of same volume of a 3.5 M solution of H3PO4? Please provide the GIVEN, REQUIRED TO BE SOLVED and the COMPLETE SOLUTION of the problems given above.

Q: What volume in mL of 0.300 M NaF would be required to make a 0.0470 M solution of NaF when diluted…

A: Given, Initial Molarity, M1 =  0.300 M Volume, V1 = ? Final volume of the solution, V2 = 250.0 mL…

Q: Solution A is prepared by dissolving 95.8 g of Na3PO4 in enough water to make 1.50 L of solution.…

A: Given: For solution A  Volume of water= 1.50L  Na3PO4=95.8 g  For solution B Volume= 2.50L Molarity…

Q: 4) Consider a solution of 1.4 m of HN3 (molar mass=63.0 g/mol) its density=1.15 g/ml. Calculate the…

A: Given: The molality of the solution (m)= 1.4 The molar mass of the solute= 63.0 g/mol The density of…

Q: 1 L of a 4 M solution of compound X is diluted to a finalvolume of 4 L. What is the final…

A: Number of moles remain same on dilution

Q: 11) The density of an 15.0 % ethanol (C2HSOH) solution is 0.984 g/mL. a) Calculate the molarity of…

A: Given,  Density of ethanol = 0.984 g/mL  Mass percentage of ethanol = 15.0%  a). Calculate the…

Q: I want to make 500 mL of HCl solution with MHCl concentration = 0.1 moL/L from HCl solution which…

A: Given that -  Volume of HCl Solution = 500 mL  Concentration of this Solution = 0.1 mol/L = 0.1 M…

Q: Calculate the following quantity: molarity of a solution prepared by diluting 56.27 mL of 0.0351 M…

A:

Q: Moles of oxalic acid in 20.00 mL of the above prepared solution? Mass of H2C2O4·2H2O=1.32191 g…

A:

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: What volume of water at 20.0 °C (d = 0.9982 g cm) is needed to dissolve 54.1 g of sucrose to make a…

A: 6.03% w/w means 6.03g of sucrose is present in 100g of solution.  Water present in solution…

Q: A 1.787 g sample containing some Fe2+ ion requires 31.50 ml of a 0.02188 M KMnO4 solution to reach a…

A: We are given with,         31.5 mL of 0.02188 M KMnO4 solution. Let us find the Moles of KMnO4,…

Q: What volume in mL of 0.300 M NaF would be required to make a 0.0705 M solution of NaF when diluted…

A: When additional solvent is added to more concentrated solution (stock solution), the concentration…

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: A solution is made using 200.0 mL of methanol (density 0.792 g/mol) and 1049.1 mL of water (density…

A:

Q: What is the molarity of a solution that contains 5.5 g of HCl (molar mass = 36.5g/mol) dissolved in…

A: Given, mass of HCl = 5.5 g molar mass of HCl = 36.5 g/mol Note: 1000 mL = 1 L Volume of the solution…

Q: What volume of 6.0 M H2SO4 is needed to prepare 500.0 mL of a solution that is 0.25 M in H2SO4?

A: On dilution of a substance the number of moles of solute always remains constant. The number of…

Q: Starting with a 6.649 M stock solution of HNO3, five standard solutions are prepared via serial…

A: Given that the initial molarity of stock solution of HNO3 is 6.649 M. It has been diluted to 100 mL.…

Q: Calculate the molarity (M) of 42.6 g of glucose (C₆H₁₂O₆ ; molar mass = 180 g/mole) in 350. mL of…

A: Molar mass of glucose = 180 g/mol Mass of glucose given = 42.6 g Volume of solution = 350 mL…

Q: Kim dissolves 70.13 g of solid sodium chloride (NaCI) in enough distilled water to make 400 mL of…

A: Given: Mass of sodium chloride= 70.13 g Molar mass of sodium chloride= Moles = Mass / Molar mass…

Q: The boiling point of ethanol, CH3CH2OH, is 78.500 °C at 1 atmosphere. Kb(ethanol) = 1.22 °C/m In a…

A: Elevation in boiling point ( ∆Tb ) :- If a non volatile solute is added to pure solvent then its…

Q: 1. a) What volume of 8.40 N Al(OH)3 will be used to prepare 350.0 mL of 2.10 M solution? b) How many…

A: Solution -

Q: )Calculate the concentration in % (m/v) of 100.0 g of NaNO3 dissolved in water for a final volume of…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: An aqueous potassium iodate stock solution is made by dissolving 5.49 mol KIO, in sufficient water…

A:

Q: What will the molarity be of the resulting solutions made by mixing the following? Assume that…

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

Q: What will the molarity be of the resulting solutions made by mixing the following? Assume that…

A: Molarity is defined as the number of moles of solute dissolved per liter of the solution.  So,…

Q: What mass of benzoic acid (130 g/mol) is required to prepare 75.0 mL 120.0 mM benzoic acid solution?

A: Here, we have to find the mass of benzoic acid that is required to prepare 75.0 mL 120.0 mM benzoic…

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

A: To determine the mass of Na2S2O3.5H2O.

Q: If 32 mL stock solution of 6.5 M H2SO4 is diluted to a volume of 500 mL . What would be the…

A: Given: V1 = 32 mL M1 = 6.5 M V2 = 500 mL

Q: Hannah needs to make a solution of KMnO4 to be used in a chemistry experiment. On the shelf in her…

A: Basically when we need to make solution of another lower concentration from a higher concentrations…

Q: Calculate the molarity (M) of 42.6 g of glucose (C6H12O6 ; molar mass = 180 g/mole) in 350.mL of…

A: Molarity = weight of solute(g) / molecular  weight of solute  × 1000(ml )/ volume of solvent (ml) It…

Q: Is present in a böttle containing 350.0mL of a solution which measures 5.00% C. 1gram concentration.…

A: As, it is mentioned that first part is already solved. So, next three parts will be solved here .

Q: How many mL would we require to prepare 100 mL of a 0.01 M KMnO4 solution starting from a more…

A: molarity is defined as no.of moles of solute devided by volume of solution in liter.

Q: what volume of solution in liter is required to make a 1.4 M solution by dissolving 24.4 grams of…

A: Mass of NaNO3= 24.4 g Molarity of solution = 1.4 M

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

A: Given below is the complete solution

Q: What volume in mL of 0.300 M NaF would be required to make a 0.0320 M solution of NaF when diluted…

A:

Q: What volume in mL of 0.300 M NaF would be required to make a 0.0340 M solution of NaF when diluted…

A: Given that a concentrated solution is diluted , so here we will use dilution equation…

Q: How many mL of K2SO3 solution are needed to get 3.13 g from a 0.359 M K2SO3 solution?   What is the…

A:

Q: Calculate the molarity of a solution prepared by dissolving 22.73 grams of NaC2H3O2 (OR "N" a C2 H3…

A: Given, mass of NaC2H3O2 = 22.73 g Volume of the solution = 0.858 L Molarity of the solution = ?…

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: 9. What weight (in grams) of H SỐ Would be needed to make 750.0 mL of 2:00M solution? 10. What…

A:

Q: 2. How much 12.0 M HNO3 solution and how much water should be mixed together to prepare 2.25L of…

A: The dilution equation is given below.M1* V1 = M2* V2Where, M1 is the original concentration, M2 is…

Q: 13. A solution of Na2CO3 (105.99 g/mol) is obtained by dissolving 0.10599 g of Na2CO3 into in a…

A: The question is based on the concept of solutions.   molarity is a method of expressing…

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: 1. Preparing of oxalate solution: Mass of full cap = 20,7175, empty = 20,5490 g. Volumens of the…

A: Concept: Molarity: Molarity (M) of a solution is define a type of  concentration measurement. Which…

Q: 8. Consider the regular soda solution above as a stock solution that you will use to make 240 mL of…

A: Given: Concentration of Stock solution (regular soda) (M1) = 0.39 M Concentration of working…

Q: What will the molarity be of the resulting solutions made by mixing the following? Assume that…

A: The following are the conditions of the solutions and the objective is to find the resulting…

Q: Calculate the final concentration of each of the following. A 53.5 mL sample of an 8.8 % (m/v) KBr…

A: The final concentration of the 8.8 % (m/v) KBr solution is to be calculated.

Q: (A)The following figure is the structure of Glycerin molecule. There is a certain functional group…

A: a. The functional group present in glycerin molecule is alcohol. b.

Q: What volume in mL of 0.300 M NaF would be required to make a 0.0605 M solution of NaF when diluted…

A: Molarity is a concentration term. It is expressed as the number of moles of solute dissolved in per…

Q: Calculate the molarity of a solution by dissolving 15g of sugar C12H22O11 in 3.50×10²mL water…

A: The molarity of a solution is the ratio between the number of moles of solute to the solution…