A 50 mL sample of 50 % (m/v) acetic acid solution is added to water to give a final volume 75 mL.  Calculate the final concentration.

Q: For convenience, one form of sodium hydroxide that is sold commercially is the saturated solution.…

A: Molarity is defined as “the mole of the solute per unit volume of the solution”. It is represented…

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: 2. You need to make 500mL of 7H9(+) media with 1X ADN and 30ug/ml. of the antibiotic kanamycin. Your…

A: A stock solution is a solution which is highly concentrated and it is diluted to prepare required…

Q: Describe how to prepare each solution from the dry solute and the solvent. a. 125 ml of 0.100 M…

A: (a) In the given question: Volume = 125 ml Molarity = 0.100 M Molar mass of NaNO3 = 85 g/mol…

Q: 5% by volumre 25mL HNO3 solution

A: 5% by volume means 5mL of HNO3 in 100mL of solution.

Q: T OR F The boiling and freezing temperature of a liquid is affected by the amount of solute added…

A: The boiling point is the temperature at which the vapor pressure of a liquid equals the external…

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: how would you make 500ml of a .090M solution of CaCl2 from pure soild CaCl2

A: Since all the term used in the molarity are known, excluding mass of solute (CaCl2). hence, we can…

Q: Describe how to prepare each solution from the dry solute and the solvent.a. 1.00 * 102 mL of 0.500…

A: Molarity is the number of moles of solute dissolved in per litre of solution. It is denoted by M.…

Q: aqueous solution of silver acetate, AgCH3COO, contains 4.32 grams of silver acetate and 17.6 grams…

A: An  aqueous  Solution contains   AgCH3COO and H2O.  Therefore ,Mass of  aqueous  Solution  =Mass of…

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: Compute for the weight of NaCl needed to prepare 250 mL of 0.05 M NaCl solution

A:

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: Please prepare a 10% 100mL of NaCl solution.

A: The (%) of the solution is the number of grams solute in 100 ml of solvent.  so, 10% solution of…

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: Solute: MgCl2 Composition of Solution: moarity 4.0 at 20 degrees C Density, g/mL: 20 degrees:…

A: Given: Concentration of the solution at 20°C is 4 M. Density at 20°C is 1.269 g/mL. Density at 80°C…

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: What was the purpose of measuring the freezing point of water? A. B. C. D. to assess the volume of…

A: The temperature at which any liquid changes to solid on cooling is known as its freezing point.  The…

Q: find the mole fraction of solute ( carbonic acid ) in a 1.13 M aqueous solution, with water as the…

A:

Q: A 1000ml liquor beer is 36% alcohol by volume. Find the proof of the solution.

A: Given information,     A 1000ml liquor beer is 36% alcohol by volume

Q: How could a substance such as alcohol be a solvent under one condition and a solute under another?…

A:

Q: How To Prepare 100 ML Of A 0.08 N Potassium Acid Phthalate (KHC8H4O4) Solution.

A: Detail mathematical calculation is shown below

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: Prepare 0.1N H2SO4 solution of 250ml volume. (Density of H2SO4 is 1.84 and purity is 98 %)

A: We are givenH2SO4 purity=98% i.e in 100 gm of solution H2SO4 present =98 gm

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: OOO0 Solution) solution c mo mo mo ma

A: pH is the negative logarithm of the concentration of H+ ions. The scale of the pH is…

Q: reaction calls for 25mL of isopropanol, what volume of a solution that is 70% by volume will provide…

A: In this question, we will determine the volume of the solution which have 25mL isopropanol and…

Q: A 2.1 M K2SO4 solution can be prepared by diluting mL of 9.2 M K₂2SO4 solution to 241 mL

A: • The values provided in the question are:-         i) Initial concentration of K2SO4 solution, M1…

Q: 0.2560 molality to mass percent solvent

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: Question attached

A: C1V1=C2V2 is molarity equation where C1 is the molarity of the solution having volume V1 AND C2 is…

Q: The volume of water needed to prepare 400 ml of 40% (v/v) ethanol mixture is ---ml 240 O 200 O 160

A: We have 40% v/v ethanol mixture  of 400 ml , we have to predict volume of water needed.

Q: Glacial acetic acid is purchased as 99.5% (w/w) HC2H3O2 with a solution density of 1.05 g/mL.…

A: given, density of solution = 1.05 g/ml % w/w = 99.5%  molarity =?

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: Calculate the molarity of a 91.9 wt% solution of H2SO4 with a solution density of 1.61g/ml.

A: The number of moles of sulfuric acid present in the given weight percent is calculated as

Q: What mass of cesium chloride must be added to 0.500L of water to produce a 0.40m solution? What are…

A:

Q: Why is potassium hydrogen phthalate (KHP) used to standardize the NaOH solution instead of measuring…

A: Given:

Q: A 6.00 M stock solution of potassium permanganate is diluted successively by first diluting 5.00 mL…

A:

Q: To 500 g of K2Cr207 solution with a mass fraction K2Cr207 5% added 300g of water. Determine the mass…

A: Given :-  Mass fraction of K2Cr2O7 = 5%  Mass of solution = 500 g  Mass of water added to the…

Q: An automobile antifreeze mixture is made by mixing equal volumes of ethylene glycol (SG= 1.114; MW =…

A: Volume percent:  As there are equal volumes of two solutions. The volume percent would be 50% for…

Q: Diluted solutions Solution 1 Solution 2 Solution 3 Volume stock solution (mL) 4.00 4.00 4.00 Volume…

A: On dilution concentration changes but no of moles remain same. So, M1V1 = M2V2 M1 = Molarity of…

Q: An aqueous solution of CaCl2 weighs 6.6 kg. The solution has 7.5 moles of CaCl2 present in it. The…

A: We have given that  An aqueous solution of CaCl2 weighs 6.6 kg. The solution has 7.5 moles of CaCl2…

Q: 3. Determine the mass of glucose, CcH12O6 (s), needed to produce a 0.150 m glucose solution in 50.0…

A: Given: The molality of the glucose, C6H12O6 solution, (m)=0.15 m. The molar mass of glucose,…

Q: An 12% strength bleach solution is created, when 4L of water is evaporated away from a 8% bleach…

A: Initial strength of bleach = 8%  Final strength of bleach is 12% after evaporated 4 L of water from…

Q: A container holds 3 Liters of a 25% alcohol solution. One half Liter of the solution is withdrawn…

A: Since it we know after withdrawal of one half of solution the concentration doesn't change as…

Q: Using this graph, find the solubility of the solution (KNO3) at 35 C and 60 C

A: The question is based on the concept of solubility. The Maximum amount of solute which can be…

Q: For items 6-8, refer to the table below: Solvent Water Toluene Hexane Ethyl acetate Solubility of…

A:

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: 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.