M = wt (g) 1000 M. wt (B v (mL) mol 0.250 M: wt (g) 1000 58.4 () 1 (mL) wt (g) 0.0146 B mL %3D Example:-How many grams Na2SO4 should be weight out to prepare 500 mL of a 0.100 M solution. wt (g) 1000 M = %3D V (mL) М. wt mol 1000 (5 500 (mL) wt (g) 0.10 mol/L = 142 %3D
Q: d. Four thousand kilograms per hour of a solution that is one-third K,Cr0, by mass is joined by a r…
A: As per guidelines answered first one An evaporator is device used to turn the liquid form of…
Q: A batch of 500 ?? of ??? dissolves in water to form a saturated solution at 350 ? (77 °?) where the…
A:
Q: A 10 g sample of Mg504 · 7H₂0 (246.489/mol) was heated in an oven at 105 °C until evaporated all the…
A:
Q: An aqueous solution of sodium hydroxide contains 30.0% NaOH by mass. It is desired to produce an…
A: 100 g (0.10 kg) of feed solution is taken. If 30% NaOH is present in the feed solution, then it…
Q: Esall 0/50/ved its Volume (4L) His focusfooing Nagl from sodiumchloride it was related 3. by a daing…
A: Calculating the molarity of a diluted solution by using an equation given by dilution law: M1V1=M2V2…
Q: In the subsurface, the water interacts with limestone and the only type of carbonate is calcite…
A: Given: The rate of stream flow is 0.5 L/min. Let's assume that the concentration after per minute is…
Q: A 25.0 mL solution containing acidified Na2C204 requires 15.0 mL of 0.0500 M KMN04 solution to reach…
A:
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 freezing point of water, H2O, is 0.000 °C at 1 atmosphere. K(water) = -1.86 °C/m In a laboratory…
A:
Q: An aqueous solution of sucrose (C12H22O11) is prepared by dissolving 7.4045 g in sufficient…
A:
Q: : The solubility of SrCO3 is 0.0011g per 100 mL at 20°C. Calculate the Ksp value for this compound.…
A:
Q: Gypsum (CaSO4) is a common percipitant in water desalination. CaSO4 Ca2+ + SO42- where…
A: The provided reaction is- CaSO4(s) <=> Ca2+ + SO42- Provided Ksp= 10-4.6 Or, Ksp= 2.512…
Q: To 180g of 8% sodium chloride solution was added 20g of NaCl. The mass fraction of sodium chloride…
A: Consider the given information is as follows; Mass of original solution = 180 g Mass of NaCl added…
Q: The boiling point of diethyl ether, CH3CH20CH,CH3, is 34.500 °C at 1 atmosphere. Kp(diethyl ether) =…
A: Solving only first question in accordance with guidelines.
Q: * 00 In a 69.0-g aqueous solution of methanol, CH, O, the mole fraction of methanol is 0.180. What…
A: In a solution sum of mole fraction of all components is equal to 1. Mole fraction is the ratio of…
Q: An aqueous waste stream that has a maximum concentrationof 0.50 M H₂SO₄ (d=1.030 g/mL at 25C) will…
A:
Q: Although other solvents are available, dichloromethane(CH₂Cl₂) is still often used to “decaffeinate”…
A: Solubility of caffeine in CH2Cl2 is 8.35 times of H2O. a) Volume of cola = 100.0 mL Amount of…
Q: HERMODYNAMICS DATA lute used Bocum Mitrate (BalNoz)z olecular weight of solute Imel BaCNsz)z…
A: Interpretation : From the data given we can see that the volume of water required to dissolve fixed…
Q: Please help me with my hw. Please tysm❤️ ACTIVITY: Solve for the following. Show complete…
A:
Q: A solution of common salt in water is prepared by adding 50kg of salt to 200kg of water to make a…
A: Weight fraction of a component is defined as the amount of component (salt) present in solution.
Q: For an ideal solution, which of the following is/are true? I. II. ΔΗ -0 AS = 0 III. Psolution…
A: For an ideal solution:- a) ΔH=0 b) ΔS is not equal to 0 c) Psolution = summation of Pcomponents…
Q: 170 milliliters are required to prepare 900 mL of 2.00 M HCI (36.5g/mol) from the commercial reagent…
A: Concentration of commercial HCl = 37.2 % (w/w)
Q: 4S + 30, + 2H,0 2H,SO, Sulfuric acid is a very important chemical and an indicator of a nation's…
A: The complete balanced equation = 4S + 3O2 +2H2O →2H2SO4Mass of sulfur = 15.0gMolar mass of sulfur =…
Q: How much of NaOH (in mg) do you need to make 33ml of a 82% (w/v) NAOH solution (Mr(NaOH) = 40.00).…
A:
Q: A solution is prepared by mixing 25 ml pentane (CsH12-d-0.63 g/cm) with 59 ml. hexane (CgH14, d-0.66…
A: Volume of pentane = 25 mL Density of pentane = 0.63 g/cm3 Mass of pentane is: Density =…
Q: Data Collection Mass of 2 Vivarin tablets (g) 0.728 Mass of crude caffeine (g) 0.567 Mass of…
A: Solution Caffeine may be a central system (CNS) stimulant of the methylxanthine category. it's the…
Q: The boiling point of water is 100.0°C at 1 atmosphere. How many grams of potassium chloride (74.55…
A: Elevation in boiling point depend on molality.x Formula: ∆Tb=Kb×m×i Given: The molecular weight of…
Q: Q3/The solubility of sodium chloride NaCl in water at 290 K is 35.8 kg / 100 kg of water. Express…
A: Given that: solubility of NaCl = 35.8 Kg/100 Kg Molecular weight of water = 18.016 g/mol Molecular…
Q: P9.22 The densities of pure water and ethanol are 997 and 789 kg m³, respectively. The partial molar…
A:
Q: 1 nickel (II) acetate is slowly added to 125 mL of 0.00846 M ammonium carbonate solution. What is…
A: The question is based on the concept of solubility product Principle. it states that a weak…
Q: 3. Given: Soda and lime are added to a glass batch in the form of soda ash (Na₂CO,) and limestone…
A: We have to calculate the weight of soda ash and Limestone that must be added to 110 lbm of SiO2 to…
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: below? d6-DMSO solution -a.55 -G.45 -0.35 La30 La2s -0.20 Lais 0.00 3.05
A: The characteristic peak is at 4.7ppm which is due to strong dis
Q: Q1 / Prepare one liter of 0.1N solution of H2SO4 concentrated if density is 1.84 and percentage is…
A:
Q: Calculate the saturation concentration of oxygen (O,) and carbon dioxide (CO,) in a freshwater lake…
A:
Q: 2. A tank contains 100 liters of brine holding 60kg of salt in solution. Water containing 1kg of…
A:
Q: Roughly, what is the error introduced by the solution of some of the CO2 in the water in the bomb?…
A:
Q: Part A: Volume of Cyclohexane mL Mass of cyclohexane (d= 0.7786 g/mL) 6.0 Freezing Point of…
A:
Q: The last calculation we need to do is find the %acetic acid (a.k.a the "acidity"). We can average…
A: The % m/v is a unit of concentration. Mass/volume percent of a solution is the ratio of the mass of…
Q: Calculate either [H3O+][H3O+] or [OH−][OH−] for each of the solutions at 25 °C.25 °C. Solution A:…
A: For an aqueous solution at 25oC, we can write: [H3O+][OH-]=1.00×10-14 M2 .................…
Q: A stock solution of drug G is available 2 points at 10%w/v. You need to dilute this with syrup, in…
A: A stock solution of drug G is 10% (w/v) which means 10 gm of the drug G is dissolved in 100ml of…
Q: Example: Calculation the weight of barium iodate Ba(IO3)2 if it dissolved in 500mL of distilled…
A: Given data volume of solution = V = 500 mL = 0.500 L molar mass of Ba(IO3)2 = 487 g/mole Solubility…
Q: How many grams of ethylene glycol, C2H4(OH)2, must be added to 5.50 kg of water to lower the…
A: Colligative properties are the properties which depend on the number of atoms or molecules or ions…
Q: The boiling point of water is 100.00 °C at 1 atmosphere. A student dissolves 14.11 grams of sodium…
A: Given that: Mass of sodium nitrate = 14.11 g Molar mass of sodium nitrate = 85.00 g/mol…
Q: DATA Tute used Bocum Nitrate (BalNoz)z Imel BaCNSs)z 261.337glnol 2.0 261.337g/mol 20g 0077moles ams…
A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: 9.14 The density of a methanol-water solution that is 12.000 weight percent methanol is 0.97942…
A:
Q: What is the freezing point of a solution containing 586 g glucose in 2,211 g water. Molar mass…
A:
Q: Q3 / The solubility of sodium chloride NaCl in water at 290 Kis 35.8 kg / 100 kg of water. Express…
A: Molar mass of NaCl is 58.45 g/mol It is not 135.8
Step by step
Solved in 2 steps with 2 images
- A solution of potassium phosphate contains a mixture of 164 mg of monobasic potassium phosphate (MWt: 136) and 158 mg of dibasic potassium phosphate (MWt: 174) per milliliter. If a hyperalimentation fluid calls for the addition of 45 mEq of potassium, how many milliliters of the solution should be used to provide this level of potassium? How many millimoles of total phosphate will be represented in the calculated volume of potassium phosphate solution?A 15.0% by weight solution was prepared using 90.0g of KCl and the resulting density of the solution is 1.101g/mL. (MW KCl 74g/n). volume of solution(mL)? milliosmole of solute? %w/v? weight of solvent(g? N?What is the molarity of a concentrated solution of sulfuric acid with a specific gravity of 1.84 and 95.0% by weight sulfuric acid? specific gravity = density of substance at certain temp/density of water at 4 degrees C the density of water is 0.999973 g/mL at 4 degrees celsius. Describe how to prepare 3.0 L of 0.100M. I will pipet ______ and add this to 200mL water. The solution will be stirred and diluted to 3L with water.
- A spent 1.0 percent caustic soda solution (ρNaOH = 8.42 lb/gal) with a volumetric flow rate of 3.0gpm is to be neutralized using either sulfuric acid or hydrochloric acid. First, determine the massflow rate (lb/day) of NaOH in the spent caustic soda solution, and then use that value todetermine the stoichiometric amounts (lb/day) of:1. H2SO4 required for neutralizing the OH− ions contributed by the spent caustic soda.[Hints: (1) write the balanced chemical equation for the acid-base reaction betweenNaOH and H2SO4, and use it to establish the stoichiometric weight ratio H2SO4 : NaOH.]2. HCl required for neutralizing the OH− ions contributed by the spent caustic soda. [Hints:(1) write the balanced chemical equation for the acid-base reaction between NaOH andHCl and use it to establish the stoichiometric weight ratio HCl : NaOH.]How would you prepare 75 mL of an H2SO4 solution at 20% in weight (density=1.1394 g/mL, richness=227.9 g/L) starting from the commercial H2SO4 solution (98%, density=1.8361 g/mL, richness=1799 g/L)? Please choose among the most appropriate procedure which better describes the preparation of the previous diluted H2SO4 solution: Select one or more: a. Take the required volume of commercial H2SO4 solution with an adequate pipette, pour it into a graduated flask and add water up to the final volume (75 mL in this case). Homogenize the flask by stirring it gently. b. Take a beaker and put about 40 mL of distilled water. Then take the required volume of commercial H2SO4 solution with an adequate pipette and pour them over the beaker. Let the solution be warm and pour the mixture into a graduated flask and add water up to the final volume (75 mL in this case). Homogenize the flask by stirring it gently. c. Take a beaker and put about 40 mL of distilled water. Then take the required volume…6. A stock solution containing 25% w/v of chlorhexidine is used to prepare an antiseptic such that when the antiseptic is diluted 1 in 25, a 1 in 500 wash solution is obtained which is ready for use by the patient. What volume (ml) of the stock solution is required to prepare 5 litres of the antiseptic to fulfil a bulk manufacturing order?
- Prepare 1500mL of 0.5N H2SO4 solution with specific gravity of 1.84g/mL and assay of 97%A stock solution of 75% v/v ethanol was diluted with distilled water to prepare 1L of 42% v/v ethanol. (Density of ethanol = 0.789 g/mL; MW of ethanol = 46 g/mol). Determine the initial volume (in mL) of 75% v/v ethanol used in the preparation. Final answer should NOT contain any unit. Type the VALUE only. Please observe 0 decimal places.Downvoted for wrong solution. A river is carrying water containing 2000 mg/l Magnesium Chloride into a small lake. The lake has a naturally occurring Magnesium Chloride of 50 mg/l. If the river flow is 2500 Lmin and the lake flow rate is 1.5 m³.sec¹, what is the concentration of MgCl2 in the lake after the discharge point? Assume that the flows in the river and lake are completely mixed, that the salt is a conservative substance, and the system is at steady state.
- Q3 / The solubility of sodium chloride NaCl in water at 290 Kis 35.8 kg / 100 kg of water. Express the solubility as the following: 1. Mass fraction and the mass percent of Naci 2. Mole fraction and mole percent of NaCl 3. kmol of NaCl per 1000 kg of water Note: molecular weight of NaCl = 135.8, and water = 18.016In the distillation of the mixture of acetic acid (MW=60.05 g/mole; d=1.05g/ml) and water (MW= 18.00 g/mole; 1.00 g/ml), a total of 0.028 Liters of 1.0 M std NaOH was used to reach the endpoint of a 23 ml of distillate. What is the mole ratio of the CH3COOH in the mixture? final answer in 3 decimal places.A 700 cu ft tank contains 17lb of C2H6 and 9lb of CH4 at 50F. What is the specific gravity of the mixture?