A solution of 20.91 % by weight H2SO4 has a specific gravity of 1.150. What is the normality of this solution? Water is added to dilute this solution to a solution of 3.03% by weight H2SO4 (SG= 1.020). What is the new normality of the resulting solution and how were they mixed? (Assume 100 mL of the original solution was used.)

Q: 45. The process of removing an appropriate number of items from a population in order to make…

A: Any drug requires a variety of quality analysis to be performed prior to its final production.

Q: An aqueous solution of ethyl alcohol is made by transferring 12.3 mL of liquid ethyl alcohol to a…

A: Since we know that  %(V/V) = (volume of solute /volume of solution )×100%

Q: Find mass of solution in grams (g) by using the following: 100.0 mL, 0.5 M NaCl solution Density =…

A:

Q: Theresa Morgan, a chemist, has a 25% hydrochloric acid solution and a 70% hydrochloric acid…

A: The volume of each of the given acid solutions required to prepare the given solution can be…

Q: A student prepared a sugar solution containing 1.463 g of sugar (C12H22On) in 25.00 mL of water, and…

A:

Q: Calculate the molar concentration of a solution that is 50.0% NaOH (w/w) and has a specific gravity…

A: The molar concentration of a solution that is 50.0% NaOH (w/w) and has a specific gravity of 1.52 is…

Q: A student determined the average molarity of their sample of acetic acid to be 0.608 M. Calculate…

A: w/w % =Mass of soluteMass of solution×100%              Mass = density x volume  Mass of…

Q: Before investigating the scene, the technician must dilute the luminol solution to a concentration…

A:

Q: (A) if both sentences are true, (B) if both sentences are false, (C) if the first sentence is true…

A: Winkler's method is used to measure the dissolved oxygen in seawater. Chemicals are added to water…

Q: A 35.5 mL sample of an 4.3 % (m/v) KBr solution is diluted with water so that the final volume is…

A: Mass by volume percentage (%m/v) can be expressed as the ratio of the mass of solute by the volume…

Q: 115 milliliters are required to prepare 900 ml of 2.00 M H2SO4 (98.1g/mol) from the commercial…

A: Given that, 115 milliliters are required to prepare 900 ml of 2.00 M H2SO4 (98.1g/mol) from the…

Q: When mixing sodium chlorate solution (volume 1.0L, density 1.1614 g/ml, mass fraction 22%)  with…

A: A balanced reaction is one that contains equal number of atoms of each element in reactants and…

Q: How many mL of solvent do you need to add to the amount gotten from the 2M Palmitic acid stock…

A: Interpretation: To calculate volume of  2 M Palmitic acid stock solution that is needed in order to…

Q: You are a work study student in our chemistry department. Amy, your supervisor has just asked you to…

A: The stock solution can be constructed by the dilution of the unknown solution and also the…

Q: 115 milliliters are required to prepare 900 mL of 2.00 M H2SO4 (98.1g/mol) from the commercial…

A: Given, volume of H2SO4 = 900 mL = 0.9L              V1Molarity of H2SO4 = 2.00M   M1Volume of…

Q: If a solution is made by adding 8g of (NH4)2SO4 to a 100 ml volumteric flask and enough water is…

A: The molecular weight of (NH4)2SO4 = 132.14g/molThe concentration of the solution can be calculated…

Q: The salt content was extracted from a 12.0000 g junk food sample. The extract was diluted to 100.00…

A:

Q: 25.0 g of sodium hydroxide is dissolved in 150.0 g of water. What is the % (mass/mass) concentration…

A: Given :-  Mass of sodium hydroxide = 25.0 g  Mass of water = 150.0 g  To calculate :-  %(mass/mass)…

Q: . Calculate the mass required to prepare a 250 mL 3 M NaCl in water. Mass = M x MM x V  1000

A: Dear student, Since you have asked multiple questions, we will solve the first question for you. If…

Q: Solubility of an Unknown Solute 80 60 Solubility (g solute/ 100g H,0) 40 20 10 20 30 40 50 60 70 80…

A: Solubility curve is the graphical representation amount of solute dissolved in given amount of…

Q: pure liqu PB liquid x solution B Esure solid x liquid x (saturate»

A: Phase diagram is a graphical representation of the physical states of a substance under different…

Q: Part 1: Preparation of the Primary Citric Acid Standard Mass of empty 250-mL glass beaker: 100.7g…

A: Given, mass of 250mL glass beaker : 100.7 g Mass of 250-mL beaker and anhydrous citric acid :…

Q: PRACTICAL: STANDARD SOLUTION & DILUTIONS Dilutions of Solution S Prepare dilute solutions of…

A: Molarity Stock solution MS  = 0.4 M (solved previously)  Solution 1; Volume of solution 1 V1 = 15 mL…

Q: You can buy hydrochloric acid (HCl) in a concentrated form that is 37.0% HCl by mass and that have a…

A:

Q: An aqueous solution of sodium acetate NaCH3COO, is made by dissolving 7.38 grams of sodium acetate…

A: Given data, Mass of sodium acetate=7.38 g Volume of sodium acetate solution = 200 ml

Q: Which two statements are correct? a) The normality of the K2Cr2O7 solution is 0.41 N b) The…

A: When dichromate ion in acidic medium, treated with ferrous ion, then Ferric ion and chromium (III)…

Q: A. Standardization of NaOH Solution TRIAL (HCI] Volume Moles Moles Volume [NAOH] HCI HCI NaOH NaOH…

A: concentration=moles/volume

Q: Express the concentration of a 0.0860 M aqueous solution of fluoride, F−,in mass percentage and in…

A:

Q: Express the concentration of a 0.0160 M aqueous solution of fluoride, F−, in mass percentage and in…

A: The molarity of the fluoride ion is = 0.0160 M The density of the solution is = 1.00 g/mL The molar…

Q: Part C A 53.5 mL sample of an 9.0 % (m/v) KBr solution is diluted with water so that the final…

A: Part C Solution. 53.5 ml of  9 % M/V KBr solution is diluted with to give final volume 231 ml.…

Q: What is the concentration of the resulting solution be if 550 mLmL of a 25 %% (m/v)(m/v) glucose…

A:

Q: What is the molarity of a concentrated solution of sulfuric acid with a specific gravity of 1.84 and…

A: Molarity is defined as the number of moles of solute per litre of solution. Molarity = Number of…

Q: 5. An ethanol-water solution is prepared by dissolving 10.0mL of ethanol, C2H5OH (density= 0.789…

A: As per our guidelines, I can only answer first three sub-parts of the question.  Concentration of…

Q: Fill in the blanks: Computation: Round off answer (including partial calculation answers) to 4…

A: Here water is the solvent, and sucrose is the non-volatile solute. Given the vapor pressure of pure…

Q: Supplement tablets containing 50 mg of Mg-" each are sold to bolster bone health and muscle…

A: Given: Amount of Mg2+ in each supplement tablet = 50 mg Hardness value of water in terms of CaCO3 =…

Q: If 4.3 grams of NaCl are dissolved in 125. mL of methanol (methanol has a density of 0.792 gram per…

A: Concentration is measurable quantity in many terms example in molarity, w/v %, w/w % , ppm etc.…

Q: A chemist mixes 59.3 g of acetone with 97.8 g of 2-ethyltoluene and 47.1 g of isopropenylbenzene.…

A: Mass percent is defined as the mass of the substance divided by the total mass of the mixture ,…

Q: 7. During week l's lab we investigated the effect of different soaking solutions on the behavior of…

A: Calculation is given below for complete the table.

Q: Give the mass of the solute and mass of the solvent for 210 gg of a solution that is 0.75 mm in…

A: The molality of a solution refers to the number of moles of solute present in 1 kg or 1000 g of the…

Q: A solution was prepared by dissolving 35.0 mL of methanol in sufficient water to give a total volume…

A: We have to predict the percentage by volume of given solution.

Q: What would be the mass percentage of the final solution made by mixing 200. g of ethanol into 2.5 kg…

A: Mass percentage of a solution: The mass of solute in gram present in 100 g of a solution is known as…

Q: Calculate the mass percent of a NaCl solution in which 185 g of NaCl is dissolved in 1.89 L of water…

A: By using this formula we can calculate the mass Percent of NaCl .   Mass of NaCl = 185 g Volume of…

Q: What is the molarity of a concentrated solution of sulfuric acid with a specific gravity of 1.84 and…

A: Given,  The molarity of a concentrated solution of sulfuric acid with a specific gravity of 1.84 and…

Q: Electrical Conductivity of Several Solutions   Solution or Liquid Formula Conductivity…

A: Since you have posted question with multiple sub-parts, we are entitled to answer the first 3 only.…

Q: I need to make a solution containing 0.025 grams per liter. However, I do not want to weigh 0.025…

A: Given : Final concentration of solute required = 0.025 g/L. Final volume of solution required = 1000…

Q: V,M, = V,M, 2 2. 90 mL of a 1.19 M NaOH solution is diluted to a final volume of 856 mL. Calculate…

A: Molarity equation: M1V1 = M2V2

Q: What is the molarity of glucose (mol wt =180) in a solution containing 6.70g of glucose and 150 g of…

A:

Q: 5 mL of HCl and 5 mL of CH3COOH solutions are titrated with a pipette in a glass bottle and 150 mL…

A: Given data:

Q: Use the following atomic masses (in g/mol): K = 39.1; Mn = 54.94; O = 16; H = 1; P = 30.97; C =…

A: Given acid-base reaction is  H2SO4  +  2 NaOH  -->  Na2SO4 + 2 H2O    At equivalents point Na…

Q: 115 milliliters are required to prepare 900 mL of 2.00 M H2SO4 (98.1g/mol) from the commercial…

A: Given: Concentration of commercial H2SO4 (w/w) = 96.5 %  Volume = 115mL New solution of 900mL of 2M…