3- In a titration experiment, 50 mnL of 0.20 M KOH solution was used to neutralize 20 mL of H2S04 solution. How many molars is the concentration of this acid solution? a) 0.30 M b) 0.25 M C) 0.50 M d) 0.15 M Boş bırak

Q: A 1.25 Msugar (C12H22O11) solution has a density of 1.12 g/mL. What is the molality of this…

A:

Q: 1.1 In each case , decide if the underlined property is a physical or chemical property. a) The…

A: Since you have posted multiple independent questions in the same request, we will solve the first…

Q: Estimate the concentration of ethylbenzene in fish tissue in a lake with a concentration in water of…

A: Ethylbenzene concentration in water = 120 mg/L

Q: Q2/ An aqueous solution of K2CO, contains 50% salt and the specific gravity of the solution is 1.53.…

A:

Q: When Ca(OH)2 is dissolved in water, it is known that the enthalpy of solution (AHsoln) is -16.2…

A: Given data: Enthalpy of solution = -16.2 kJ/mol Mass of calcium hydroxide = 54 g Volume of water =…

Q: 200g of the 40 % methanol by mass is combined with 150 g 70% methanol by mass are mixed in a…

A: Given  200 g of 40% methanol is combined with 150 g 70%  Methanol

Q: Household bleach is typically a 5.25%solution of sodium hypochlorite in water. How manygrams of…

A: Concentration of NaoCl in bleach, xN=5.25% Volume of the household bleach, V=300 ml Assume density…

Q:

A: Given: Weight of HA = 1.90 g Volume of Ca(OH)2 =  38.6 mL Cocentration of Ca(OH)2 = 0.253 M

Q: Q2:- How many millilitres of concentrated sulphuric acid, 99.0% , density 1.831 g/cm3, are required…

A: Given, 99% H2SO4 Density = 1.83

Q: Determine the molality of a solution in which 5.2 grams of glucose C12H22011 are dissolved in…

A: Hello Subscriber! There are multiple questions posted.. As per our policy, we have solved the…

Q: A volatile solute was added to a solvent to form an aqueous solution. Which will best represent the…

A: Explanation of first question When we will add solute  to a solvent, the vapor pressure of the…

Q: 1) Calculate the amount needed in grams to make five liters of a 0.175 M NaCl solution? Please show…

A: Since you have posted multiple independent questions in the same request, we will solve the first…

Q: Purification of copper from ore comes from a single replacement reaction after the copper ore has…

A: In this, cooper sulfate is mixed with the aluminum metal and single replacement reaction takes place…

Q: Hydrogen Sulfide has to be removed from a light refinery hydrocarbon stream before the gas is…

A: Given :The feed gas contains 4.0 mole% H2S.y

Q: Solute S has a partition co-efficient of 3.0 between water (Phase 1) and Chloroform (Phase 2). (a)…

A:

Q: A tank containing pure water. A saline solution containing 2 Ib/gal salt is put into the tank at a…

A:

Q: QUESTION 18 How many grams of sodium acetate (C,H,0,Na) need to be dissolved in 180 mL of a 0.377 M…

A: Given, Volume of acetic acid=180  mL=0.18 L Molarity of acetic acid=0.377 M

Q: The brine water collected from a reverse osmosis desalination plant. The collected water sample was…

A: i) Given that, The mass of potassium chloride m = 2.2 g The volume of the solution V = 250 mL = 0.25…

Q: A 0.5 g sub-sample of lake sediment was digested in 10 mL of nitric acid, and then diluted by a…

A: Given data :   Weight of sediment sample = 0.5 gm The volume of HNO₃ used for digestion of sample =…

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

A: Initial concentration=70%v/v Density of ethanol=0.789h.mL Molecular weight of ethanol=46g/mol TO…

Q: 3 days ition in 23.22 The following dissolved-oxygen values were 310-mL BOD bottles: 7.7, 7.9, and…

A: BOD- BOD is a measurement of the quantity of oxygen needed for aerobic bacteria (those bacteria that…

Q: An car anti-icing mixture is made by mixing equal volumes of ( E.G) (d = 1.114 g/mL, molar mass…

A: Note: Since we are entitled to answer only 3 subparts, we’ll answer the first three as no specific…

Q: How many grams of barium sulfate will form when 35 mL of 0.160 M barium chloride reacts with excess…

A:

Q: Use the data on the table to calculafe the % NaOCi in orig 2.3 g 25 ml Mass of original bleach…

A: mass of original bleach= 2.3 g volume of bleach solution= 25 ml initial burette readingNa2S2O3= 2.5…

Q: 50 g of pure Na2CO3 were dissolved in water and the volume of this solution was 200 mL. To this…

A: Hello, you have posted multiple subparts to the question , we are solving first 3 subparts for you.…

Q: calculate the percent of the total of all cyanic acid species in solution which are ionized in a…

A:

Q: Q6) Aluminum salt is used for chemical precipitation of phosphate from industrial wastewater. The…

A: The amount of alum required to remove phosphorus from the wastewater is calculated as…

Q: A 70-kg individual drinks 2 L/day of water containing 0.10 mg/L of tetrachloroethylene for 12 years.…

A: Given that- Weight of individual, BW= 70 kg Contamination rate of tetrachloroethylene, C=0.10 mg/L…

Q: Calculate mole flux rate across the length 1 mm for He and N2 mixture for which concentrations are…

A:

Q: Calculate the percentage ionization of acetic acid in solutions having concentrations of 2.0 M, 0.20…

A: Given data: Solution of acetic acid with differing concentrations is given.

Q: How many moles of MgCl₂ are present in 54.0 mL of 0.135 M MgCl₂ solution?

A:

Q: An unknown metal is reacted with water to form a metal hydroxide. The metal hydroxide is then…

A: Given, Moles of unknown metal hydroxide=0.0180 moles Concentration of HCl = 2.918 M Volume of HCl,…

Q: A sample of a crude grade of sodium hydroxide is sent to a laboratory to be tested for sodium…

A: Given that, Mass of NaOH content sample= 4.500 g Volume of solution= 500 mL ( water solvent)…

Q: 1) McCabe-Thiele Method Feed: 10,000 kg/h 40% mole CH3OH 60% mole H2O Feed at the bubble point The…

A: Given Data  To Find

Q: Answer the following solution preparation questions chemical engineering problem. a) Maximum 1.238…

A: These solution preparation questions are from the topic of Chemistry, especially Solution Chemistry.…

Q: Given: Fats provide 9 Calories of energy per gram, while carbohydrates and proteins provi. only 4…

A: (1) We know, 1 gram fat contains 9 Calories 1 gram protein contains 4 Calories 1 gram carbohydrate…

Q: Q6) what is the concentration of (NaCl) in g/L and g/mL in a 2.50 M solution?

A: Molarity is the term used to express the concentration of the solution. It is defined as the amount…