Calculate the resulting concentration of a solution prepared by diluting 20.00 mL of concentrated hydrochloric acid to 500.0 mL.    The specifications of the concentrated hydrochloric acid are 37.2%(w/w) HCl and specific gravity =1.19. (MM= 36.46g/mol)

Q: "How many mL of a 0.215 M aqueous solution can be prepared from 38.1 g of urea, CO(NH2)2? Make sure…

A: Mass of urea = 38.1 g Molarity of aqueous solution = 0.215 M

Q: Calculate the mass percent of a NaCl solution in which 117 g of NaCl is dissolved 4.15 L of water at…

A:

Q: To what final volume should you dilute 50.0 mL of a5.00 M KI solution so that 25.0 mL of the diluted…

A: Molarity can be calculated by dividing number of moles by volume of the solution and number of moles…

Q: What would be the percent by volume and proof of an ethanol solution containing 70 mL alcohol in 250…

A: Given data,  Volume of ethanol = 70 mL  Volume of ethanol solution = 250 mL  Here,  Solute of the…

Q: An organic chemistry student prepared 110. mL of a cyclohexane-ethanol solution at 24.0 °C by…

A: The volume of solute in milliliter present in 100 mL solution is known as the volume percent…

Q: You take 5.0 mL of a 1.50M solution of sucrose and dilute it to 250.0mL. What is the mass of sucrose…

A: Molarity, M1=1.50 M Volume, V1=5 mL On dilution, V2=250 mL M1×V1=M2×V2

Q: Tom, an analytical chemist, bought a bag of decaffeinated coffee from a grocery store. However, Tom…

A: Solution - According to the question - Given - C1*V1 = C2*V2 Dilution law - Ostwald's dilution law…

Q: 10.00 ml of approximately 6 M sulfuric acid is transferred to a 100 mL volumetric flask and diluted…

A: fomula for dilution :-  M1V1 = M2V2  M1 is initial concentration  M2 is final concentration  V1 is…

Q: Copper metal and aqueous iron (III) chloride were made to react to reduce iron to Fe2+ while…

A: Here we are required to find the mass of copper needed to react with 20.5% wt of iron (III) chloride…

Q: Calculate the mass percent of a NaCl solution in which 189 g of NaCl is dissolved in 4.69 L of water…

A: Given that, Mass of NaCl to be dissolve in water m1  = 189 g Volume of NaCl solution in water m2 =…

Q: Calculate the molarity and normality of the solution having a density of 1.90 g/cc and is 15% m/m…

A: The solution of the question is given below:

Q: A pharmacist needs 250 mL of 80% v/v alcohol to macerate a dried sample weighing 100 grams. If the…

A: Given : Desired concentration (% (v/v)) of alcohol = 80 % Volume of solution required = 250 mL And…

Q: What will be the new freezing point of  water  in a 256 mL of 0.61 M NaNO3 (MW = 84.99 g/mol)…

A:

Q: 10. How to prepare 40 ml of 25 ppm potassium solution from 0.01 M KNO3 solution? KNO3 : 100 g/mol,…

A:

Q: Calculate the normality of NaOH solution formed by dissolving 0.2 gm NaOH to make 250 ml solution.

A: Normality of solution is defined as number of gram equivalents of solute dissolved per litre of…

Q: CONCENTRATION OF SOLUTIONS 1. Express the concentration of a solution (%w/w, %v/v and %w/v)…

A: Hello. Since multiple questions have been posted, the first question shall only be solved in this…

Q: A 5.69 g of table salt (NaCl; molar mass = 58.44 g/mol) is dissolved and added with water up to 150…

A: w/v of a solution is defined as the grams of a solute in 100 mL of a solution. The number of moles…

Q: A vat holds 2.25(10) kg of a 22.0% solution of ethylene glycol and water, How much must be drained…

A:

Q: Determine the volume percent of a solution made by adding 46.3 mL of bleach in enough water to make…

A: Given :-  Volume of bleach = 46.3 mL  Volume of solution = 175.9 mL  To calculate :-  Volume percent…

Q: What will be the new boilng point of 297ml benzene (Kb = 2.53 °C.Kg/mol; Bp = 80.1°C) when mixed…

A: 1- First determine the morality of the solution :  Mass of benzene = ( Density × volume)  Mass of…

Q: How to prepare 40 ml of 25 ppm potassium solution from 0.01 M KNO3 solution? KNOS . g/mol, dn =…

A: Given that: Concentration of KNO3 = 0.01M Molar mass of KNO3 = 101.10grams Atomic mass of Potassium…

Q: A solution is made by dissolving 20.0 mL CH,CN (density = 0.786 g/mL) in 100.0 mL CHCI, (density =…

A:

Q: A solution of table sugar in water contains 5.25% by mass sucrose. Calculate 1. the mass of sucrose…

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

Q: prepare calcium sulfate soultion by dissolving 200 g calcium sulfate in enough water to sa volume of…

A: From given data  Mass of solute, calcium sulfate = 200 g = 0.200 Kg volume of solution = 850 mL…

Q: How many liters of stock 5% w/v H2O2 (MW 34) are needed to make 300 mL of 450 mM solution?

A: Given data:

Q: Calculate the Molarity of a 32.6% (by mass) aqueous solution of H3PO4 (MM = 97.994 g/mol) at 22.0…

A: Molarity is the ratio of moles of a solute to the volume of solution in L.

Q: a stock solution of sodium chloride solution was prepared ( at 25C) by dissolving 250 mg of sodium…

A:

Q: Using the data below, determine the solution that has the lowest density. Data of Various Solutions…

A: The relation between mass density and volume is as follows: Density = mass/ Volume     ......... (1)…

Q: 10-Calculate molarity and normality of a solution prepared by dissolving 10.6 g of Na,CO; in 2…

A:

Q: Which of the following is used to mix the solutions while heating? Glass stirrer / Stir Rod O a. O…

A: Some solutions need stirring  with heating

Q: Q5:Calculate the grams of each substance requied to prepare the follow. solutions:(a)250 ml of 0.1 M…

A: As per rule, allowed to answer first question and post the remaining in the next submission. 5) a)…

Q: A mixture of Fe(OH)3 and water were prepared by using a solute-solvent mass ratio of 1:7. The…

A: Given :- ratio of Fe(OH)3 to water = 1:7  To determine :- percent by weight composition of the…

Q: I just want to be sure if my answers (and units) are correct: 1. What is the molarity of a 750 mL…

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

Q: An 8 grams of a powder drug is dissolved in 20mL of pure water. Upon dissolving, the volume became…

A:

Q: An aqueous solution of Caclz weighs 7.8 kg. The solution has 8.3 moles of CaClz present in it. The…

A: Given:- Weight = 7.8Kg Moles of CaCl2 present = 8.3 Density = 1.35g/ml Moalar mass of Ca = 40g/mol…

Q: 100 KI 6090 80 70 KNO3 60 50 40 30 20 10 Solute per 100 g of H₂O (g) NHẠCI KCIO3 0 10 20 30 40 50 60…

A: The given graph indicates the solubility of a salt in water at varying temperatures.

Q: Calculate the boiling point of a solution of 400 g of ethylene glycol dissolved in 400 g of water…

A: Molality of solution can be calculated as follows:

Q: weight

A:

Q: Calculate the amount of solution (g or mL) that contains each of the following amounts of solute.

A:

Q: you are given 15ug/ml atrazine to prepare a 3 ppb solution  a. use te terms working and stock to…

A:

Q: An aqueous solution of beryllium chloride BECl2 is made by dissolving 1.25g of BECl2 in sufficient…

A:

Q: Two aqueous solutions are separated by a semipermeable membrane through which only water molecules…

A: The osmosis may be described as the critical phenomena in which the spontaneous movement of the…

Q: Calculate the volume in milliliters of 6.5 % (v/v) ethanol solution that contains 33.7 mL of…

A: Given : % (v/v) of ethanol = 6.5 % And the volume of ethanol in the solution = 33.7 mL

Q: Calculate the normality and molarity of a 15.0% (by weight) H₂SO₄ solution with a specific gravity…

A: The specific gravity of liquids is nearly always measured with respect to water. Specific gravity is…

Q: A solution is made by dissolving 6.60 grams of MgCl2 in 380.0 mL of water. What is the freezing…

A: To find freezing point of a solution.

Q: Very dilute amounts of ions and molecules are often reorted in parts per million (ppm). The units…

A: Given  1ml of water = 1g of water  we know 1L  = 1000 ml  if 1ml of water contains 1g water  1000 ml…

Q: Determine the appropriate quantity (in terms of volume) of 50 wt.% NaOH solution (Specific gravity:…

A: The question is based on the concept of mass percentage.   amount of substance present in hundred…

Q: To prepare 100 ml of 0.40 M NaCl solution from a 1.0 M solution you should mix: a) 40 ml of 1.0 M…

A: To prepare 100 ml of 0.40 M NaCl solution from a 1.0 M stock solution, the volume of stock solution…

Q: Part II. Determination of molecular weight for ethyl alcohol Freezing point, °C DTf   Mass of…

A: Given Data: The mass of solvent is 0.1 kg. The mass of solute is 6.202.g.