Q/ Prepare 0.1 N and 0.1 M of 98% H,SO, in 250 ml. M.wt of H,SO4 = 98 g/mol, and its Specific density (SP.gr.) = 1.09.

Q: I wish to prepare 500.0 mL of a 825.0 ppm w/v Fe2+ (MW=55.845 g/mol) solution. How many grams of…

A: Since yo have asked multiple question, we will solve the first question for you. If you want any…

Q: What is the mole fraction of CH3COOH in a solution containing 1.50 g CH3COOH (FM= 60.053  g/mol) and…

A: Given -> Weight of CH3COOH = 1.50 gm Molar mass of CH3COOH = 60.053 g/mole Weight of H2O = 1000.0…

Q: a). Calculate the mass, molar and volumetric fractions of the following mixture: 30 grams of…

A: a)  Mass of ethanol = 30g , Mwt = 46g/mol Mass of water = 20g , Mwt = 18g/mol specific gravity of…

Q: The volume (in L) of water needed to dilute 3 liters of an Acetic Acid aqueous solution (SG50=1.2)…

A: The Solution from one concentration to another concentration can be converted to changed by help of…

Q: The partial molar volumes of two liquids A (M = 241.1 g mol1) and B (M = 198.2 g mol1) in a mixture…

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Q: What is the molarity of a 30% CH3OH (MW=32g/mol) solution with density 3g/mL?

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Q: Assuming that A is 0.458, b (cm) is 1.00, c (Molarity) is 1.2 x 10^-3, molecular weight is 300…

A: Given data,Absorbance(A)=0.458Length(b)=1.00cmMolarity(C)=1.2×10-3MMolecular weight=300g/mol

Q: When 71 g of Na2SO4 (FW 142 g/mol) is dissolved in 0.250L of water (MW 18.02 g/mol), what is the…

A: The mole fraction of sulphate ion can be calculated as follows

Q: Q1. The distribution coefficient, KD (Cether/Cwater), for an organic substance X at roomn…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: When working with very low concentrations, such as 0.000245 M, it can be more convenient to…

A: Molarity: It is the number of moles of solute present per Litre of the solution. The units of…

Q: Q2/prepare 500 ml, 5N H2SO4 solution from original concentrated solutic

A: Normality of original 98% concentrated H2SO4 = 36.8 N1 x V1 = N2 x V2

Q: The process by which the supernatant liquid is poured out leaving the precipitate in the container…

A: Given process  The process by which supernatant. Liquid is poured leaving the precipitate in the…

Q: What volume of dilute nitric acid of density 1.11g/mL and 19% nitric acid by weight contains in 10g…

A: Given: density of nitric acid =1.11g/ml    With this information, we will first calculate the volume…

Q: A solution of 75 mM tartaric acid (CaH,O6) in water is used as a standard in HPLC analysis. How many…

A: We know that 1 molar solution stands for 1 mole solute is dissolved in 1 litre solution.  Now, we…

Q: Calculation of the volume of 1.25 M NaOH (aq.) required to extract 1.0 gram of 2-naphthol. Use 20%…

A: Given: The molarity of NaOH (sodium hydroxide) is 1.25 M The mass of 2-naphthol is 1.0 g The amount…

Q: mL of H2SO4 solution 75 (specificgravity =1.18) containing 49% H2SO4 (w/w) is diluted to 590 mL.…

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Q: Solubility of Compound 1 and Compound 2 - Grams of Compound 1 - Grams of Compound 2 100 75 50 25 20…

A: Given

Q: Determine the mass of sodium chloride required to prepare 300 ml of a Mueller-Hinton broth…

A: Concentration is equal to the ratio of the number of moles to the volume of solution. The unit of…

Q: P9.22 The densities of pure water and ethanol are 997 and 789 kg m³, respectively. The partial molar…

A:

Q: How many moles of solute particles are present in 1.64 mL of 0.458 M K2SO4?  (the answer is 2.25E-3…

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Q: Prepare 83ml of a 68% (W/V) NaOH solution (Mr(NaOH) = 40.00). Round to 2 positions after the decimal…

A:

Q: stoic A Exactly 600.0 mL of a solution that contained 447.7 ppm of Ba (NO3), were mixed with 250.0…

A: The mass and number of moles of a compound can be calculated from a balanced chemical reaction. A…

Q: A solution containing 10.0 % sodium sulfate by weight is cooled to 32° F, where the solid phase is…

A: Solution -

Q: Calculate the concentration of concentrated HCl in molarity. Concentrated HCl has 38% (w/w) HCl and…

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Q: 25.0mL of a 0.515 M K2S solution is mixed with 30.0 mL of 0.833 M HNO3 acid solution to give the…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: An unknown 36% v/v monohydroxide reagent has a density of 1.8 g/mL. Zeus wanted to determine the…

A: Suppose, concentration of the unknown base in 36% v/v solution is S M The required formula is: V1×S1…

Q: of (a) molarity ? erum? (C) ppm by wt? 2. How many mL of a 0.250 M KA solution must be diluted to…

A:

Q: * 100 mLOf approximately 0.2 M NAOH using Naoi (NaoH MA = 40 gimol) %3D Please recalculate the…

A: The concentration is defined as mass of solute present in per unit volume of solution.

Q: 1.Determine the mass of sodium chloride required to prepare 400 ml of a Mueller-Hinton broth…

A:

Q: Chloroform liniment contains 30% (v/v) of chloroform. How many mL of chloroform liniment can be…

A: Chloroform liniment contains 30% (v/v) of chloroform. 1 lb = 454g

Q: 2/50lved its volume (4L)His faus(oin) Nafl from sollunchloride i was related dding one liter of…

A: Given that, Initial concentration of NaCl solution = 0.02 M Volume of solution initially = 4 L One…

Q: 1-3: A stock solution of 70% v/v ethanol was diluted with distilled water to prepare 1L of 21% v/v…

A: a

Q: 200 ml of 20%(v/v) of methanol mixture contains ---- ml methanol A- 160 B- 20 C- 40

A: The x % w/v means that x g of solute must be added in 100 mL of the solution. However, the x % v/v…

Q: Preparation of 100 ml 1.0 molar (1.0M) H2SO4 solution (specific gravity, 1.8 g/ml and purity, 98%).…

A: Molarity is defined as the number of moles of solute dissolved per liter of the solution. Molarity,…

Q: I  wish to prepare 500.0 mL of a 800.0 ppm w/v fluoride (MW = 18.9984 g/mol) solution. a.)How many…

A: a) First calculate the mass fluoride in 500mL solution then it is used to determine the moles…

Q: 3. A 0.5g mixture contains SiO2 , NaCI & NH.CL. After Sublimation 0.4 g left was dissolved to…

A: The percent composition of the mixture containing SiO2, NaCl and NH4Cl is to be calculated. Given:…

Q: What is the concentration (in atm.) of TCE in the air at 25 C?

A:

Q: ssolve 14.7 grams of sodium hydroxide pellets in 100 ml of carbon-dioxide free water. ool the…

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Q: What will be the new boilng point of 498ml  benzene (Kb = 2.53 oC•Kg/mol; Bp = 80.1oC) when mixed…

A: Volume of benzene = 498 mL Boiling point = 80.1°C Mass of naphthalene = 18g Density of benzene =…

Q: 5mL 10% NaoH solution theo mmol diper theo mass divemakcetone mASs recovered mmol alacetorie mmol eg…

A: The questions are based on the concepts of experimental Chemistry. We have to calculate mass,  moles…

Q: In the standardization of HCl using pure anhydrous sodium carbonate as the primary standard for…

A: At the equivalence point,  Amount of HCl = Amount of sodium carbonate  Amount = Volume ×…

Q: a-) What is the concentration of 250 mL of solution containing 0.125 grams of iron in ppm?   b-)…

A: Required Conc=0.3 M              volume=200 ml So , moles=200 x 0.3                  =60 milli…

Q: 1-3: A stock solution of 70% v/v ethanol was diluted with distilled water to prepare 1L of 21% v/v…

A:

Q: Exhaust gas from an automobile contains air and 10‐5 mole fractions of COin air at 25 degC and 1.2…

A: Since you have posted multiple questions as per guidelines we can solve only one per session. If you…

Q: Describe the preparation of 800 mL of 2 M HCl from the commercial reagent that is 37.5% HCl (%w/w)…

A: Volume of HCl =800 mL Molarity of HCl = 2 M Mass percent of HCl = 37.5 % Mass of Solution = 100 g…

Q: 19. What is the molarity of a commercial phosphoric acid solution, H3PO4 (MW= 98.0 g/mol) that is…

A:

Q: If 10.0 mL of H2SO4 (sp. Gr. 1.50, containing 48.7% of combined SO3 by weight) is diluted to 400 mL,…

A: A numerical problem based on concentration terms that is to be accomplished.

Q: A sample may contain any combination of sodium hydroxide, sodium carbonate and sodium bicarbonate…

A: Given: Amount of sample = 3.00 g Volume of HCl required to reach phenolphthalein endpoint =57.57 mL…

Q: Prepare 1500mL of 0.5N H2SO4 solution with specific gravity of 1.84g/mL and assay of 97%

A: Given Volume of solution = 1500ml  Normality = 0.5 N Specific gravity = 1.84 g/ ml % solution = 97