3)Find the number of mg NazCO3 (FW = 106 g/mol) required to prepare 500 mL of 9.20 ppm Na solution. %3D

Q: How many grams of Potassium Chlorate must be used to prepare 500 mL of a 0.2M solution? o 61.25 g o…

A: Given, Concentration of potassium chlorate solution = 0.2 M = 0.2 mol/L Volume of the solution = 500…

Q: What is molarity of a solution prepared by dissolving 4.20 g NaF in enough water to make 0.400 L of…

A: Calculate the number of moles (n) of NaF. The molar mass of NaF is 41.98 g/mol.

Q: Which is the better solute solvent? :0: :0: :0: CH, — С — сн, Но — С — СН — СH, — С — оН OH CH,OH…

A: "Like Dissolves Like." Non polar molecules are soluble in non polar solvents whereas polar molecules…

Q: Calculate the molarity of each aqueous solution:(a) 25.5 mL of 6.25 M HCl diluted to 0.500 L with…

A: For part (a) given data Initial molarity M1 = 6.25 M  Initial volume V1 = 25.5 mL = 0.0255 L Final…

Q: A 12.5 % by mass solution of ethanol (C2H5OH) in water has a density of 1.225 g/mL at 20°C. What is…

A:

Q: A solution of KCIO3 has 40 grams of the salt dissolved in 200 grams of water at 50 °C. Approximately…

A:

Q: How many mL of concentrated H2SO. (FW = 98.1 g/mol, 94%, d = 1.831 g/ml.) are required to prepare 1…

A:

Q: A 0.1 m solution of Sucrose(C12H22011) contains 2 kg of water. What is the amount (weight) of…

A: Solution: By the defination of molality (m)  we have 1 (m) = 1mol of solute / 1 kg of solvent. Here…

Q: How much Zn(NO3)2 is in 354 g of a 5.80 % (m/m) percent solution? O 174 g O 4.44 g O 12.3 g O 61.0 g…

A: A mass/mass percent is given as the mass of a solute divided by the mass of solution (expressed as…

Q: 3. What mass of BaCl2 is needed to dissolve in 1.2kg water to prepare a 0.500m BaCl2 solution?

A: Given: mass of water=1.2 kgmolality=0.500 m To find: mass of BaCl2

Q: How many moles of I2 are in 9.062 grams of C2H9I2NO (PVP-I Solution) and what is the Mass Percent of…

A: The mass of C2H9I2NO (PVP-I Solution) given in the question = 9.062 grams Atomic mass of different…

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: Concentrated reagent of sodium hydroxide (NaOH, 39.997 g/mol) has a molarity of 17.6 M and its…

A:

Q: What is the mass in milligrams of salute in: a) 500 mmol of Mg0. b) 2.92 L of 4.76 x 10-3 M H202. c)…

A: Solute : which is dissolved in the solution. Molarity = no. of moles per unit volume   Also, 1 g =…

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: What is the molarity of a sodium chloride solution where 5.65 g NaCl (MM = 58.44 g/mole) is…

A:

Q: What is the molarity of a solution made my diluting 0.37 L of 2.47 M NaCl solution to 1.13 L?

A: 0.37 L of 2.47 M NaCl solution is diluted to 1.13 L solution.We have to calculate the molarity of…

Q: The Tris stock solution concentration is 2M. How much of it we should take to prepare 150 ml 4.844…

A:

Q: What is the molarity of NaCl in a solution prepared by diluting 30 mL of 0.4 M NaCl to 100 mL?

A:

Q: 21. what would be the mass percent of a solution made by dissolving 22.1 g of NaCI in 33.4 g of…

A: We have to predict the mass percent of solution.

Q: What are the mole fraction and the mass % of a solution made by dissolving 0.50 g KI in 0.500 L of…

A: Mass of KI = 0.50 g Volume of water = 0.500 L                              = 0.500 × 1000 mL…

Q: Prepare the following solutions: (H2SO4: sp.gr.= 1.84 , %= 98%)…

A: We are given different concentrations of measured amount of a compound that has to be made in the…

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: 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: How many grams of Na2SO4 should be weight out to prepare 500 ml of a 0.2 M solution?

A: Given details, Volume = 500 mL = 0.5 L Molarity = 0.2 M To calculate the mass in grams.

Q: What volume of 17.4 M HCl should be used to prepare 500. mL of a 6.00 M solution of HCl? А. 1450 mL…

A:

Q: Calculate the mass percent, % (m/m), for the solute in 75 g NaOH in 325 g of NaOH solution.

A: Given data, Mass of solute = 75 g Mass of solution = 325 g Calculating the Mass percent in (m/m).

Q: What is the concentration in molarity of a solution which is 11.39 %m/v octane (MM = 114.2 g/mol )…

A: Molarity is defined as total number of moles of solute present in 1000 ml of solution Molarity =…

Q: 1. A solution made by dissolving 9.81 g of a nonvolatile nonelectrolyte in 90.0g of water boiled at…

A: Colligative properties are the properties that depends on the concentration of solute in a solvent…

Q: Catriona prepared a solution by dissolving 5.02g of KNO, in 95.0g of water. (MM of KNO, = 101.11…

A: By using the formula of concentration of solution in ppm we can find concentration.

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: The volume of a 6.0M stock solution do you need to dilute to prepare 350 ml of a 1.5 M solution?

A: Given :-  Initial concentration (M1) = 6.0 M  Final concentration (M2) = 1.5 M  Final volume (V2) =…

Q: NaF (MM = 41.99 g/mol) having a mass of 17.2 g was dissolved in 289 g of chloroform. What is the…

A: Given: Mass of NaF = 17.2 g. Mass of chloroform i.e. solvent = 289 g = 0.289 Kg…

Q: 1. What is the molarity of a solution made by dissolving 12.5 g NaCl up to 1 L of H2O?

A: Moles of NaCl is calculated as,

Q: How will you prepare 250 cm3 of a 1 M NaOH solution using NaOH pellets?

A: Given, 250 cm3 of 1 M NaOH solution  Volume = 250 cm3 = 0.25 L  Molarity = 1 M  Molar mass of NaOH…

Q: Calculate the molarity (M) of 34% aqueous H3PO4 solution (d=1.2g/ml). (P:31, O:16 H:1 g/moles)

A: 100 g of solution contains 34 g H3PO4. Density of solution = 1.2 g/mL=1200g/L   [ 1mL=10-3L] Now…

Q: 3. Find the percent by mass in which 41.0g of NaCI is dissolved in 331g of water.

A: The mass % of the solution is equal to the ratio of the mass of the given substance to the total…

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: 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: A. 990 B. 980 °C C. 98.0 °C D. 9.80 °C 16. A solution made by dissolving 9.81 g of a nonvolatile…

A:

Q: Calculate the grams of calcium acetate required to make 2.00 L of a 0.250 M solution. 316 g 19.8 g…

A:

Q: What is the weight molarity of a solution prepared by dissolving 1.583 g of NaCl (58.442 g/mol) in…

A: The given data contains, mass of solute = 1.583 g. mass of solvent = 93.217 g mass of solution =…

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 58.0 g of NH.Cl in 3.25 L aqueous solution?

A: Given data: The mass of NH4Cl is 58.0 g. The volume of the solution is 3.25 L. To calculate: The…

Q: What is the boiling point of a solution containing 1.50 g C9H8O4 in 75 grams CHCl3? (kb CHCl3 = 3.63…

A: Given,Solution containing 1.50 g C9H8O4 in 75 grams CHCl3kb CHCl3 = 3.63 oC/mTb= 61.7oCMolar mass of…

Q: What is the concentration of a solution formed by diluting 270 mL of 1.2 M NaOH solution to 0.59 L?…

A:

Q: 1. How will you prepare 100 mL Of 2.3 N NaOH from 5 N NaOH? 2. What is the new concentration of 500…

A:

Q: 4. How would you prepare 500 g of a 0.90% (m/m) NaCl solution?

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…