The density of a 7.50% solution of ammonium sulfate, (NH 4) 250 4, is 1.04 g/mL. What mass of (NH 4) 2SO 4 would be required to prepare 750. ml of this solution? OA 45.8 g O B. 54.0 g OC 62.4 g O D. 65.7 g OE. 58.5 g

Q: What mass of solute (in g) is contained in 425 g of a 3.5 % m/m solution? O 15 g O 8.2 x 10-5 g…

A: % m/m is defined as % m/m = mass of solute X 100 / mass of solution

Q: A solid mixture contains 65.2% SrCl2 by mass. How many grams of solid mixture is needed order to…

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

Q: The density of a 5.58 m aqueous acetic acid is 1.04 g∙mL –1. What is the molar concentration of this…

A: Given that, The density of a 5.58 m aqueous acetic acid is 1.04 g∙mL–1 The molar mass of acetic…

Q: 12. What mass of solute is in 2.00 L of a 0.350 M KI aqueous solution? а. 5.72 g b. 35.0 g с. 58.1 g…

A: The given data contains, Molarity of KI = 0.350 M  Volume of soln (V) = 2.00 L

Q: What volume, in mL, of 2.52 M HCl is required to prepare 176.5 mL of a 0.449 M HCl solution? a) 156…

A: Since the moles of HCl in the 2.52 M HCl solution taken should be the final moles of HCl in 0.449 M…

Q: An aqueous solution of hydrogen peroxide has a concentration of 0.882 M. What is its concentration…

A:

Q: Calculate the molarity of a solution containing 2.4 moles of NaCl in 2065 ml of solution? O 1.16 M O…

A: Molarity = moles/volume of solution in L

Q: What is the concentration in molarity of an aqueous solution which contains 13.81% by mass propylene…

A: Given: The concentration of propylene glycol by mass = 13.81%. The density of the solution, (d) =…

Q: What mass of NaOH is contained in 290.0 mL of a 0.470 M sodium hydroxide solution? Mass = ____ g

A: Given data: Volume of NaOH = 290.0 mL Molecular weight of NaOH = 40 g/mole Molarity = 0.470 M

Q: mol M = L ow many ml of water are needed to make a 0.150 M solution that contains 0.50 g of NaCl?…

A: Solution-1st we calculate No of moles NaCl-No of moles = given mass of NaClMolar mass of NaClNo of…

Q: How many grams of iodine 12 (molar mass = 253.8 g/mol) must be dissolved in 725 mL CS₂ (p = 1.261…

A:

Q: A solution is prepared by dissolving LiCl in water. What is the mass percentage of water in a…

A: The mass percentage of water in a solution is calculated using the following formula: Mass% of…

Q: What is the molarity of a solution made by dissolving 4.57 mol NaCl in water to make 1.93L of…

A: Molarity of a solution is given by the number of moles of solute(NaCl here) per unit volume of…

Q: How many grams of ferrous sulfate is needed to prepare 250-mL of 2.3 x 10-2 M of Fe2+ solution? O…

A:

Q: How many grams of I2   crystals are needed to prepare 300.0 mL of a 0.050N iodine solution? Atomic…

A:

Q: If a solution contains 6.8 ppm (m/v) of a solute, how many grams of that solute would be present in…

A: The mass of solute in mg present in a one-liter solution is known as ppm (parts per million)…

Q: 6. What volume of concentrated nitric acid, HNO, (15.8 M) should be added to water to form 450.0 mL…

A:

Q: How do you prepare 0.4 N 500 mL hydrochloric acid solution by using 37% by mass HCl solution with a…

A:

Q: What volume of a 0.2.72 M LiCl solution is needed to provide 8.5 g of LiCl?

A: The molarity of the LiCl solution is = 0.272 M The mass of LiCl needed is = 8.5 g The required…

Q: How many moles of NaOH are present in 25.0 mL of a 0.1000 M NAOH solution? O 0.100 mol O 100 mol O…

A:

Q: How many grams of solute are present in 90.0 mL of 1.33 M CoSO4?

A: Volume = 90.0 mL Concentration of CoSO4 = 1.33 M

Q: What is the molarity of a 7.4 % by mass Mg(NO3)2 solution? Assume the density of the solution is 1.0…

A:

Q: How many grams of solute are required to prepare 250 ml of 8% (W/W) Mg(NO3)2 solution

A: The concentration of a solution is the amount of solute present in  given solvent. The concentration…

Q: Calculate the number of moles and the number of grams of the indicated solutes

A: Number of moles = molarity × volume of solution (in L)  Mass = moles × molar mass

Q: If you add 250 ml of water to 250 ml of a 1.4M NaOH solution, what will the molarity of the diluted…

A:

Q: How many grams of solute are present in this solution? 21.5 mL of 7.8 M CH3COOH AW: C=12, H=1,…

A: We have to calculate mass of solute.

Q: What mass of NaF must be mixed with 25 mL of water to create a 3.5% by mass solution?

A: The concentration of a substance is shown by a number of quantities like percent weight/volume,…

Q: What mass (in grams) of Mg(NO3)2 is present in 145 mL of a 0.150 M solution of Mg(NO3)2? a) 3.23 g…

A: Since moles of Mg(NO3)2  Present = molarity of solution X Volume of solution in L Molarity of…

Q: An aqueous solution (p = 0.988 g/mL) is 6.00% methanol CH3OH (molar mass = 32.04 g/mol) by mass.…

A: Given: Density of solution = 0.988 g/mL Mass % of methanol = 6.00% Molar mass of methanol = 32.04…

Q: What volume of a 1.50 M HCl solution should you use to prepare 2.00 L of a 0.100 M HCl solution?a)…

A: The given data contains, Molarity M1=1.50 MVolume V2=2.00 LMolarity M2=0.100 M

Q: Q13

A: Actually , molarity is defined as the amount of moles of any substance dissolved in an amount of…

Q: What is the mass/volume percent (% w/v) of potassium chloride in a 0.335 M aqueous potassium…

A:

Q: Calculate the mass of solute (in grams) needed to prepare the following solution. 925 mL of 0.25 M…

A:

Q: What volume of concentrated nitric acid (15.8 M) is needed to prepare 4.0 L of a 2.0 M solution?

A: Given data:- Concentration of Concentrated Nitric acid = 15.8 M  Volume and concentration of Nitric…

Q: What mass of NaOH pellets is required to prepare 2.6 L of 0.37 M NAOH solution? Mass g NaOH

A: Molarity(M): It is defined as the number of moles of solute dissolved in 1 Litre of solution.

Q: How many grams of LiF would be present in 575 mL of 0.750 M LIF solution? 0.0338 33.8 O 1.12 x 104…

A: Molarity = 0.750 M Volume = 575 mL = 0.575 L Mass = ?

Q: What is the molarity of NaOH in a solution containing 40.Og of NaOH in 750. mL of solution? O 1)…

A: Molarity = number of moles /volume in Litres Number of moles = mass of substance/moecular mass…

Q: A sodium nitrate solution is 12.5% NaNO3 by mass and has a density of 1.02 g>mL. Calculate the…

A: Given: Sodium nitrate solution is 12.5 % NaNO3 by mass. Density of sodium nitrate = 1.02 g/mL

Q: What is the concentration in molarity of an aqueous solution which contains 5.41% by mass ethylene…

A:

Q: A solution of 0.5 M NaOH of volume 100 ml was diluted to 400 ml. What was the Molarity of the…

A: Molarity of a solution is defined as the number of moles of solute in one liter of the solution.…

Q: a) What mass of barium nitrate (Ba(NO3)2) would be required to prepare 2.000 L of a 0.0210 M aqueous…

A: (a)  Interpretation: The mass of barium nitrate is to be calculated from 2.000 L of 0.0210 M aqueous…

Q: What is the concentration in molarity of an aqueous solution which contains 1.69% by mass acetone…

A:

Q: What is the mass in grams of NaCO(s) (molar mass = 105.98 g/mol) that, when dissolved in 1.107E+2 mL…

A:

Q: A student prepared a solution by dissolving 30 grams KCI in enough water to give a final volume of…

A:

Q: What mass of sodium hydroxide is needed to make 100.0 mL of a 1.25 M NaOH solution? The molar mass…

A: 1.25 M means there will be 1.25 moles in 1 liter of water. The molar mass of NaOH = 40gmol-1

Q: What mass of KOH is needed to produce 22.0 mL of 0.576 M solution? O 1.39 g O 2.64 g O 0.423 g O…

A:

Q: What volume of 5.4 M sodium hydroxide is needed to prepare 233 mL of 0.14 M sodium hydroxide?

A: Molarity (M1) = 5.4 M Volume (V1) = ? Molarity (M2) = 0.14 M Volume (V2) = 233 mL

Q: What mass in grams of lithium sulfate is needed to prepare 425.0 mL of a 1.855 m Li,SO4 aqueous…

A: Given data :  Volume of Solution  = 425.0 ml  Density of Solution = 1.086 g.ml-   Molar mass of…

Q: "Concentrated" sulfuric acid solution is 95% sulfuric acid by mass (and the remainder water) and has…

A: