4. An aqueous solution of sodium hydroxide contains 20 % NaOH by mass. It is desired to produce an 8.0 % NaOH solution by diluting a stream of the 20 % solution with a stream of pure water. Calculate the stream (in kg) for water and product.

Q: A 50/50 blend of engine coolant and water (by volume) is usually used in an automobile's engine…

A: Given:- Capacity of Car cooling system = 6.20 gal Density of engine coolant = 1.11g/mL Density of…

Q: An aqueous solution of sodium hydroxide contains 20 % NaOH by mass. It produce an 8.0 % NaOH…

A:

Q: A 30.7 g sample of a mixture of KNO3 and Mg(NO3)2 is treated with an excess of aqueous Na2CO3.  All…

A: Reactions between two salts in which metal ions exchange their anionic radicals is termed as double…

Q: A NaCl solution is made using 0.133 kg of this solute, and diluting to a total solution volume of…

A:

Q: Five standard solutions of HBr are prepared by serial dilution in which, at each stage, 10.00 mL is…

A: Molarity is the term which is used to express concentration of the chemical compound in a solution.…

Q: How many grams of 50% nitric acid and water should be taken to prepare a 15% nitric acid solution of…

A: Note : Instead of 15% nitric acid solution , there should be 15g nitric acid solution. Given: Mass%…

Q: Figure 1 shows the boiling point-composition diagram of compound X and water 120 835 1 130 205 H 30…

A: To provide the name of the line Y and line Z given in figure:1.   "Since you have asked multiple…

Q: A solution is made by mixing 39.5 g of alcohol into 100.0 mL of water (DH2O = 1.00 g/mL).  What is…

A: Given: Mass of alcohol= 39.5 g The volume of water= 100.0 mL The density of water= 1.00 g/mL To…

Q: an aqueous solution that is 26% by mass sodium chloride is prepared with 13 g of water. what mass of…

A: Mass percent = (mass of solute/mass of solution)*100

Q: A 50/50 blend of engine coolant and water (by volume) is usually used in an automobile's engine…

A: With data's given Initially we are calculating molarity of solute and using the equation of…

Q: The process of cellular respiration is the pathway that most organisms utilize to metabolize glucose…

A: Answer: 3.0 kg

Q: Nitric acid is usually purchased in a concentrated form that is 70.3% HNO3 by mass and has a density…

A:

Q: (a) At a temperature of 45 ºC, will a solution made with 13.37 g KNO3 in 15.0 g water be saturated…

A: A). According to the solubility chart, At 45 °C  mass of KNO3 soluble in 100 g of water = 71 grams.…

Q: If we dissolve 33 gg of salt in 251 gg of water, what is the mass of the resulting solution? 218 gg…

A: Given that, mass of salt=33 gg mass of water= 251 gg

Q: Muriatic acid is the commercial name for hydrochloric acid that can be purchased from hardware…

A: Consider the given information is as follows; Percent weight/weight = 33% Mass of HCl (solute) = 5.5…

Q: How many grams of CaCl2CaCl2 are needed to make 126.9126.9 g of a solution that is 39.539.5% (m/m)…

A: Solution concentration = 39.539% (w/w).That is 100g solution contains 39.539 g calcium chloride.

Q: An aqueous solution that is 26% by mass sodium chloride is prepared with 42 g of water.  What mass…

A: Mass % of sodium chloride, NaCl = 26% (Given) So, 26% by mass of sodium chloride means that 26 g of…

Q: An aqueous solution that is 22% by mass sodium chloride is prepared with 25 g of water.  What mass…

A: It is the mass of solute in gram present per 100 gram solution .a solution is a special type of…

Q: 31. Common commercial acids and bases are aqueous solutions with the following properties: Mass…

A: We know the following Formulae,  Density = mass/ volume Mole = mass / molar mass Molarity = moles of…

Q: What is the molarity of a solution that is prepared by mixing 37.0 mL of ethanol in 100.0 mL of…

A: Given, The volume of ethanol = 37 ml volume of water = 100 ml Volume of solution = 133 ml Density of…

Q: How many grams of a solution that is 24.27 sucrose by mass contain 60 g of sucrose solute? In other…

A: The mass percentage is given as the mass of solute present in total amount of solution.

Q: What mass of a concentrated solution of nitric acid (68.0% HNO3 by mass) is needed to prepare 400.0…

A: Given: Initial mass percentage of nitric acid = 68.0%Final mass percentage of nitric acid =…

Q: The mass of solute per 100 mL of solution is abbreviated as (m/v). Mass is not technically the same…

A:

Q: What is the percent by mass of 25 g of sodium chloride dissolved in 100 g of water?

A: Since you have posted multiple questions, we are entitled to answer the first only. Please repost…

Q: Calculate the mass percent of a sucrose solution that is made by mixing 8.270 grams of sucrose into…

A: We have prepare a solution by mixing 8.270 g of sucrose into water until the solution has a mass of…

Q: How many grams of CaCl, are needed to make 636.6 g of a solution that is 41.5% (m/m) calcium…

A:

Q: A 800.0 mL aqueous solution of 93.0 mM CoCl2 is combined with 399.0 mL of aqueous 54.0 mM K3PO4. If…

A: Given, Note: 1 mM = 0.001 M Molarity of CoCl2 solution = 93.0 mM = 93.0 × 0.001 M = 0.093 M = 0.093…

Q: Every year, oral rehydration therapy (ORT) –the feeding of an electrolyte solution –saves the lives…

A: Introduction : We have to apply the concept of depression in freezing point.

Q: A 10.00 mL sample of 2.00 M Na3PO4 solution is diluted to a total volume of 150.0 mL. A sample of…

A: Given: Concentration of Na3PO4 stock solution = 2.00 M. Volume of Na3PO4 stock solution used = 10.00…

Q: Calculate the molarity of the solution when 1005 mL of solution contains 0.037 g of barium acetate.…

A: Given: Mass of barium acetate=0.037 g Volume of the solution=1005 mL=1005/1000=1.005L…

Q: By separating mixtures by evaporation, how do I get the percentage mass of NaCl in the solution?…

A: The mass of solute in gram present in 100 g solution is known as the mass percent concentration of a…

Q: A 0.750 ? aqueous solution of KBr has a total mass of 81.0 g. What masses of solute and solvent are…

A:

Q: A solution is prepared by dissolving 52.3 g of RbCl in enough water to form 502 mL of solution.…

A:

Q: An aqueous solution that is 25% by mass sodium chloride is prepared with 21g of water. What mass of…

A:

Q: 1.45-g sample of oxalic acid, H2C2O4, is dissolved in distilled water to make 50.00 mL of aqueous…

A: Redox reaction- the reaction in which oxidation and reduction takes place simultaneously called as…

Q: How many grams of CaCl2CaCl2 are needed to make 623.4623.4 g of a solution that is 36.036.0% (m/m)…

A:

Q: Five standard solutions of HBr are prepared by serial dilution in which, at each stage, 10.00 mL are…

A: Five standard solutions of HBr are prepared by serial dilution in which, at each stage, 10.00 mL are…

Q: You dissolved 43.0 g NaOH in distilled water and brought the final volume up to 500 mL. Give the…

A: Given :-  Mass of NaOH = 43.0 g  Volume of solution = 500 mL  To calculate :-  Molar concentration…

Q: *9. ssm The preparation of homeopathic “remedies" involves the repeated dilution of solutions…

A: mass As2O3 = 18.0 g moles As2O3 = (mass As2O3) / (molar mass As2O3) moles As2O3 = (18.0 g) / (197.84…

Q: How many grams of CaCl, are needed to make 474.8 g of a solution that is 32.0% (m/m) calcium…

A: We have given 32% (m/m) solution of CaCl2 Mass of solution is 474.8 g Mass of CaCl2 =? Mass of water…

Q: amt of salt and amt of water must be mixed to come up with 250g brine solution that is 50% salt by…

A: Given,        The mass of brine solution = 250 g.         The percent by mass of salt = 50%

Q: An aqueous solution of acetone is made by transfering 38.1 mL of liquid acetone to a 500. mL…

A:

Q: Calculate the mass percent of a sucrose solution that is made by mixing 5.270 grams of sucrose into…

A: We have to prepare a solution by mixing 5.270 g of sucrose into the water until the solution has a…

Q: A 290.3-g sample of ground water is analyzed for calcium. The Ca2+ in the sample is first…

A:

Q: A sulfuric acid solution containing 571.3 g of H2SO4 per liter of the aqueous solution has a density…

A: We have, The weight of H2SO4 = 571.3 g Density of solution= 1.329 g/ml Volume of solution= 1000 ml…

Q: A solution is prepared by dissolving 133 g of NaCl in 947 g water to make a total solution volume of…

A: a) Molarity = moles of NaCl / volume of solution (in L)                    = mass of NaCl/Molar mass…

Q: 50.020 g sucrose were used to prepare 300.0 mL of solution (sp. gr. = 1.17). What is the % by mass…

A: Given, 50.020 g sucrose were used to prepare 300.0 mL of solution (sp. gr. = 1.17).

Q: 0.332 mL of 51.72 M of aqueous NaOH solution is diluted to a volume of 482.2 mL.  What is the…

A: