Calculate the volume of concentrated reagent required to prepare the diluted solutions indicated: a. 15 M NH3 to prepare 50 mL of 6.0 M NH3 b. 18 M H2SO4 to prepare 250 mL of 10.0 M H2SO4

Q: 5. Determine how many grams of K2Cr207 would be needed to make 250 mL of a 0.10M solution. 6. How…

A: Molarity :-  The number of moles of solute present in dissolved state in one litre of solution is…

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

A:

Q: 6. What is the percent by volume of isopropanol in a 90ml solution that contains 25ml isopropanol?…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Calculate the volume of 1.0 M (moles) CuSO4 solution needed to make 100mL of a 5.0 x 10 ^-4 M…

A: Dilution of the solution: On dilution of the solution with the pure water, the mole of solute…

Q: Calculate the volume of concentrated reagent required to prepare the diluted solutions indicated:…

A: Molarity is the unit of concentration of a solution, and its unit is mol/L It is defined by the…

Q: A solution is prepared by mixing 1.28 mol C7H16, 2.92 mol C8H18, and 2.64 mol C9H20. What is the…

A: We know that  % Mole of substance ={ (mole of a substance)/(total mole of solution )}× 100

Q: To make a .250 m solution, one could take 0.250 moles of solute and add O 1.00 L of solvent. O 1.00…

A: Step-1givenmolarity of solution=0.250 mNumber of moles of solute =0.250 moles

Q: Calculate the molarity of each aqueous solution:(a) 78.0 mL of 0.240 MNaOH diluted to 0.250 L with…

A: a) Given : Initial volume of solution = 78.0 mL  Initial molarity of NaOH = 0.240 M Final diluted…

Q: What volume of a 0.85M stock solution would be needed to prepare 4.5 L of a solution at 0.30M…

A:

Q: How many of these sets of information could be used to find the moles of compound? 27 g of Na2SO4 A…

A: The number of moles of a substance is determined by diving the given weight of the substance by the…

Q: Calculate the molarity of 5.0 L of solution containing2.5 mol HNO3.

A: Molarity is given by the number of moles per litre of the solution.

Q: Starting with a 6.861 M stock solution of HNO3, five standard solutions are prepared via serial…

A: Given : Initial concentration of solution = 6.861 M Initial volume of each solution = 25.00 mL Final…

Q: Calculate the molarity of the two solutions. The first solution contains 0.500 mol of NaOH in 1.90 L…

A: The molarity of sodium hydroxide solution is calculated as,

Q: A solute is prepared by dissolving 15.0 g of table salt in 70.0 g of H2O. Find a) mass percent of…

A: Given that  amount of solute(table salt) = 15 gram amount of water (solvent) = 70 gram total mass of…

Q: A student wishes to make 750 mL of 2.5M HNO3 solution from 6M stock solution. How much of the 6M…

A: The preparation of a diluted solution from a concentrated stock solution is known as the dilution.…

Q: Calculate the freezing point and boiling point in each solution, assuming complete dissociation of…

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

Q: Which solution is more concentrated? Solution “A” contains 50.0 g of CaCO3 in 500.0 mL of solution.…

A: Concentration in terms of molarity Molarity= no. of moles of solute*1000/volume of soln in ml No of…

Q: A.. .mL of 4.2 H2C204 needs to be diluted to form 750 mL of 1.4 N H2C2O4 solution * O 260 mL O 250…

A: The normality equation is given by  N1V1=N2V2 where N1 and V1 are the normality and volume of…

Q: What is the molality of a solution made by dissolving 14.7 g of CgH,1206 into 150.0 mL of water?…

A: Given : Mass of C6H12O6 = 14.7 g Volume of water = 150.0 mL Density of water = 1.00 g/mL

Q: Calculate the volume of concentrated reagent required to prepare the diluted solutions indicated:…

A: C1 x V1 = C2 x V2 Where, C1 = initial concentration; V1 = initial volume             C2 = final…

Q: What volume (mL) of 10 M NaOH is required to prepare 500 mL of a 0.1 M NaOH solution? O 8 mL O 0.002…

A: Given, The molarity of NaOH solution,M1= 10 M . The molarity of diluted NaOH solution,M2= 0.1 M The…

Q: Calculate the mass of water in kg required to prepare a 3.00m aqueous solution of NH3 using 35g of…

A:

Q: How many mL of a 5.0M stock solution is needed to make the following final solutions? a. 5.3 L of a…

A: It is given that a 5.0 M stock solution is used to make the final solutions of 5.3 L solution of…

Q: how many ml of water should be added to dilute 60.00 ml of 4.000 M kl to 1.500 M kl

A:

Q: wing is true about the concentration units for a solution consisting of two substances in Chapter…

A: Since you have posted multiple questions , as per guidelines we can solve only one question per…

Q: A 250 mL of 1% m/v Na2CO3 (MW = 105.99 g/mol) was found to have a density of 1.05 g/mL at 25oC. Find…

A:

Q: A pharamacist prepares a solution by adding 3.00 mg of sodlum lons to 114 g of water. How many ppm…

A: PPM is a unit that is used to measure the concentration of the solutions. For very dilute solutions…

Q: For EACH of the four solutions that you will make, show detailed calculations of how many grams (or…

A: 1) We have given that Volume of solution = 500 mL = 0.5 L % by volume of solution = 0.020 %…

Q: Calculate the mass, in grams, of K2SO4 needed to prepare 32.00 g of 2.000%(m/m) K2SO4 solution.

A:

Q: A 100-fold dilution (1/100 dilution) of a 150 μM solution of a substance produces a solution having…

A: #1: In 100-fold dilution, for 1 part of the concentrated solution 99 part of water is added.  Hence…

Q: following

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

Q: A 5 gram (NH4)2SO4 (MW = 132.14 g/mol) was dissolved to make 500mL solution. It found to have a…

A: Molarity(M) is defined as number of moles of solute in 1L of the solution. Molality(m) is defined as…

Q: How would you prepare 100 ml of a 5 uM solution of ammonium nitrate (NH4NO3; Formula weight = 80…

A: The answer is given below:

Q: Clearly show claculations for determining the mass (or volume0 required to prepare your solutions.…

A: Molarity is defined as the number of moles of solute per unit volume of the solution. Here, NH4NO3…

Q: 1 18. A solution that is 33.6 % by mass of phenol (C&HSOH) in water is prepared. What is the mole…

A: Answer 19 :- 1.35 m is 1.35 mole of solute in 1 kg of water. (1000 g H2O) / (18.01532 g H2O/mol) =…

Q: What volume of 12.0 M HCl is required to make 75.0 mL of 3.50 M HCl? O A. 21.9 mL O B. 0.560 mL O C.…

A: When we’re dealing with dilution equation, we’ll use the following equation  M1V1 =M2V2 where M1 =…

Q: 1. A solution containing 1.0% (w/v) MgCl2 has a lower concentration compared to a 1.5M MgCl2…

A:

Q: How much of 8 M soloution of HBr is needed

A:

Q: Evaluate the ml of solute required to prepare 0.75 L of a solution prepared at 7.40% v / v

A: Concentration Term :-  % v / v  % v / v = ratio of the volume of the solute to the total volume of…

Q: Calculate the mass of sodium hydroxide (NaOH; 40.00 g/mol) needed to prepare 350. mL of 1.8 M NaOH…

A:

Q: %3D What mass of NaCl is needed to make 20.0 mL of a 1.00 M solution? Molarity (M) = moles/ Liter O…

A:

Q: What is the molarity of a solution produced from 15.2 g of calcium chloride and 345 g of methanol…

A:

Q: A 32.0 mL aliquot of a 38.0 wt% aqueous KOH solution is diluted to 1.00 L to produce a 0.297 M KOH…

A:

Q: Calculate the volume of concentrated reagent required to prepare the diluted solutions indicated:…

A: Answer a: C1 x V1 = C2 x V2 Where, C1 = initial concentration; V1 = initial volume             C2 =…

Q: 20 cm3 4.0 M potassium-chloride solution is diluted to five-fold volume with distilled water. How…

A: Given: The volume of the solution to be diluted= 20 cm3. The concentration of KCl stock solution=…

Q: How many grams of concentrated niyric acid solution should be used to prepare 2.50 ml of 2.00 M…

A:

Q: What volume of a 1.5 M KOH solution is needed to provide 3.00 moles of KOH? K = 39.10 amu O = 16.00…

A: KOH Molarity =  1.5 M = 1.5 mol/L Moles = 3.00 mol  We know ; Molarity of substance = Moles of…

Q: 4. Find the (a) molality, (b) normality, and (c) parts per million concentration of an aqueous…

A: Let,  the mass of Solution be 100g Therefore, Mass of H2SO4 = percent by mass of H2SO4 x Mass of…

Q: A concentrated phosphoric acid solution is 85.5% H 3PO 4 by mass and has a density of 1.69 g/mL at…

A: Given that ,  Mass percent of H3PO4 = 85.5 %  Density of H3PO4 solution = 1.69 g/mL  Molarity of…

Q: Calculate number of grams required to prepare: 250. mL of a 1.2M(NH4)2SO4 solution. 1.50 Liter of a…

A: Given, 250. mL of a 1.2M(NH4)2SO4 solution.1.50 Liter of a 4.7 x 10-2 M H3PO4 solution