1.) Calculate the moles of KHP in flask #1. grams KHP Molar Mass of KHP (A1) 204.22 g/mol moles KHP %3D %3D 1.224 (A10) %3D 204.22 g/mol II

Q: 1. How many grams of Ca (OH)2 do you need to prepare a 250 mL of 0.2M solution. Calculate mol wt. of…

A: Here, we have to calculate the mass of Ca(OH)2 that is needed to prepare a 250 mL of 0.2 M solution…

Q: What is the mass percent (m/m) of NaCl in a solution made by dissolving 2.84 g of NaCl in 73.2 g of…

A: Given :  Mass of NaCl = 2.84 g  Mass of water = 73.2 g  To calculate :-  % (m/m) of NaCl in solution…

Q: How many grams of the solute MgSO4 (molar mass=120 g/mole) are required to make 75.0 mL of a…

A:

Q: Molarity of 26% (w/w) ammonia solution, :having a density of 0.85 g/ml is M 12.5 O M 12.0 O M 13.5 M…

A: Given: Concentration of ammonia solution = 26% (w/w) Density = 0.85 g/mL Molar mass of ammonia = 17…

Q: What is the molarity of a solution that is made by diluting 0.075 L of a 8.56 M solution of HF to…

A: Given :     Initial molarity of HF solution=8.56 M     Initial volume=0.075 L     Final…

Q: A glucose solution in water contains 26.00 percent by mass glucose. The density is 1.24 g/mL. What…

A:

Q: Calculate the mass percent of solute in the following solutions. (a) 8.80 g of NaCl dissolved in…

A: The mass percent means % (w/w)  Mass percent can be calculate using following expression, Mass…

Q: The concentration of O3 at sea level and T = 298 K is 5.762 µg/mole of air. a. What is the…

A: The following unit conversions can be used to solve this problem : 1 microgram = 10-6 gram 1 metric…

Q: What is the mass % of NaCl in a mixture that is prepared by dissolving 2.40 g of NaCl in 65.5 g of…

A: Given data is as follows: The mass of NaCl = 2.40 g The mass of H2O = 65.5 g The mass % of NaCl = ?…

Q: 3. A solution of NaCl in 250 grams of water boils at 102. 04 0 C (NaCl=58 g/mole) a. What is the…

A: Given data contains, Mass of solvent=250 g=0.250 kg Molar mass of solute is 58 g/mol The boiling…

Q: The molarity of a solution prepared by diluting 43.72 mL of 5.005 M aqueous K2Cr2O7 to 500. mL is…

A: Here given values are, N1= 5.005M V1= 43.73 mL N2= ? V2= 500mL

Q: How much of Cr2(SO4)3.6H2O is needed to prepare 1.05-L of solution containing 35.05g Cr3+ per Liter?

A: Moles of Cr3+ ions = given massmolar mass= 35.0552=0.674 mol  Moles of Cr2(SO4)3.6H2O = 0.5 x moles…

Q: Calculate the mass percentage of NaCl in a solution containing 1.50 g of NaCl in 50.0 g of water.(a)…

A: Mass percentage = (Mass of solute / Mass of solution ) × 100  Mass of solute = 1.50 gm , Mass of…

Q: How many grams of MgF2 are needed to prepare 743.6 mL of  0.859  molar aqueous MgF2?

A: Molarity of a solution is defined as the number of moles of solute upon the volume of the solution…

Q: molarity

A:

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: would be required to obtain 0.710 moles of Na⁺ ions?

A:

Q: 3. Determine mass percent of a solution of sucrose (C12H22011) prepared by dissolving 3.245 g of…

A: In this question, we want to determine the mass percent of sucrose Solution.  How we can determine,…

Q: What is the mass/volume percent,%(w/v), of sucrose(C11H22O12) in a solution prepared by dissolving…

A: We are guven with, Mass of sucrose, w= 39.0 g    (given) Total volume of solution, v = 355 mL…

Q: How is a 1% CuSO4 solution prepared by mass based on CuSO4.5H2O solid?

A: Given: 1% CuSO4 solution

Q: 3- A sample of a solution weighing 850.0 g is knowno conien 03 moles of potassium chlorice, What is…

A: We are provided with moles of potassium chloride and mass of solution.    Mass of potassium chloride…

Q: volume of 0.250 mol/L solution that can be made from 31.0 g of C2H2O4 • 2H2O(s)

A:

Q: Organic compound contained C, 18.3%; H, 0.51%; and the rest is Br. When 0.793 g of the compound was…

A: Given data,Percentage of C=18.3%Percentage of H=0.51%Percentage of Br=100-(18.3+0.51)=81.19%Mass of…

Q: How many grams of glucose (C6H12O6, 180.16 g/mol) would be required to prepare 2.50 L of a 0.278 M…

A: The number of moles of glucose can be calculated as follows-

Q: 2. What is the morality of a 60.5% by mass of nitric acid (HNO3) solution?

A:

Q: Calculate the molarity of a solution prepared by diluting 165 mL of 0.688 M CaCl2 to a final volume…

A: Given:

Q: Calculate the mass percent of solute in the following solutions. (a) 8.85 g of NaCl dissolved in…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

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

A:

Q: You wish to prepare a solution that is 12% sodium chloride by mass (m/v%). How much sodium chloride…

A: For preparation of particular solution, the weight of solute and volume of solution must be known.…

Q: 1. What is the molecular formula for the unknown hydrate? 2. What is the percent mass of water in…

A: The molecular formula for the unknown hydrate is to be determined from the given experimental data.…

Q: What volume of a 0.33-M C12H22O11 solution can be diluted to prepare 25 mL of a solution with a…

A: In the process of dilution; the solvent is added in a solution, than the volume of solution…

Q: What is the percent by mass of a glucose solution containing 34.2 grams of glucose dissolved in…

A: Given data set: Mass of glucose dissolved in water = 34.2 grams Mass of water = 434.2  gram.  Thus,…

Q: a. Mole Fraction of H2O2 b. Molarity

A:

Q: . Calculate the number of moles in these quantities: (a) 25.0 g KNO3 (c) 5.4 x 102 g (NH4)2C2O4 (b)…

A: We have given that  1. Calculate the number of moles in these quantities: (a) 25.0 g KNO3 (c) 5.4 x…

Q: Calculate the mass percent of solute in the following solutions. (a) 8.53 g of NaCl dissolved in…

A: The mass percentage is referred to as the ratio of the mass of solute by the mass of solution and…

Q: the mole fraction of NaCN (Molar mass 49.0 mol) in an aqueous solution is 0.0175, what is the ight…

A:

Q: 2. How many grams of solute are present in 1.65 L of 0.286 M solution of C3H¬NO2?

A: To calculate the grams of solute first of all e calculate the moles of solute.  The molarity of the…

Q: What mass of C12H22011 (sucrose) Is needed to prepare 255 mL of a 0.570 M solution of sucrose in…

A: given data is  volume is 255ml concentration is 0.570M

Q: Calculate the mass percent (m/m)(m/m) of a solution containing 27 gg of K2CO3 and 709 g of H2O.

A: Here, we have to find the mass percent (m/m) of a solution containing 27 g of K2CO3 and 709 g of…

Q: What volume of solution is required to create a 0.15 M solution that contains 0.750 moles? O 0.60 L…

A:

Q: What mass of a concentrated solution of nitric acid (68% HNO3) is needed to prepare 400.0 g of a 10%…

A: Percentage of any soution can be determined by using the formula :              %ge of solution=mass…

Q: What is the molarity (M) of a solution prepared by diluting 125 mL of 0.500 M H2SO4 to 375 mL?

A: H2SO4 Solution Initial Molarity M1 = 0.500 M Initial volume V1 = 125 mL   Final volume V2 = 375 mL…

Q: Q7\ How to prepare 20 ML of 0.1 N of H2SO4, if the density 1.8 g/ml & percentage 97%m.wt of H2SO4…

A: 0.0561 mL of H2SO4 is required to mix with water to make the final volume of 20 mL for the…

Q: The molarity of a solution prepared by diluting 43.72 mL of 5.005 M aqueous potassium dichromate to…

A: Molarity: is the most commonly used term to describe the concentration of a solution. Molarity =…

Q: Calculate the mass of KOH in grams required to prepare 5.00 × 103 mL of a 2.50 M solution. [KOH =…

A:

Q: What is the amount (in g) of hydrogen peroxide (H2O2) needed to make a 6.00 kg, 3.00 % (by mass)…

A: Mass % is expressed as mass of solute to the total mass of solution

Q: Arrange the following solutions from lowest molarity (on the bottom) to highest molarity (on the…

A:

Q: How many millilitres of concentrated sulphuric acid, 99.0% , density 1.831 g/cm3, are required to…

A:

Q: A solution is prepared by dissolving NaBr in water. What is the mole fraction of NaBr in a solution…

A: Mole fraction of a substance= Number of moles of that substanceTotal number of moles