What is the equivalent of 1) 6.26 µg/g in ppm 2) 7 ppb in µg sol/L 3) 6.2 x 104 ppm in %w/v

Q: 2. A solution is prepared by mixing 5 ml of ethyl alcohol in 100 ml of water. What is the volume…

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Q: What is the concentration of salt in seawater with a salinity of 36.5 ‰, in the following units?…

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Q: Calculate the molarity of each aqueous solution:(a) 25.5 mL of 6.25 M HCl diluted to 0.500 L with…

A: For part (a) given data Initial molarity M1 = 6.25 M  Initial volume V1 = 25.5 mL = 0.0255 L Final…

Q: What weight (in grams) of caffeine (C8H10O2N4) is required to prepare 100 mL each of the following…

A: A mole of a substance weighs its molar mass and contain avagadro number of particle  Let us suppose…

Q: How many Liters of normal saline (0.9% of NaCl) solution will contain 18g of NaCl?

A: 0.9% (w/v) of NaCl is the 0.9 g of NaCl in 100 ml of saline solution.

Q: 6 × 10-3 g oxygen is dissolved per kg of sea water. Calculate the ppm of oxygen in sea water.

A: Given data contains. Mass of oxygen is 6×10-3g. Mass of sea water is 1 kg=1000 g

Q: Calculate the molarity of each aqueous solution:(a) 25.5 mL of 6.25 M HCl diluted to 0.500 L with…

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Q: What is the molarity of a hydrogen peroxide solution (H2O2) solution prepared by mixing 30 grams of…

A: Molarity is a unit of concentration defined as the number of moles of solute per volume of the…

Q: A 10.00 gram sample of stream water was found to contain 2.00x10-6 g lead. What is that…

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Q: The number of mL of alcohol in 275 mL of 11.5% (v/v) solution

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Q: What is the mass of lead in 7.8⋅10^3  g of blood if the lead content is 0.40  ppm?

A: ppm, i.e., parts per million is defined as the mass of a solute (in milli gram) present in 1 L of…

Q: 5. How many grams of CaCL2 (MM = 110 g/mol) should be dissolved in H20 to prepare a liter of 1.2M…

A: Molarity means moles of solute dissolved in a litre of solution.

Q: what is the concentration of solution in: c = 12 h = 1 o = 16. % by mass?

A: In the calculation of percentage of mass of concentration both the solute and solvent are to be…

Q: Seatwork ( Fill up the Table) solution solute solvent Type of solution 1.Glue ( Rubber + Benzene) 2.…

A: The solvent is the material that usually decides the solution's physical state (solid, liquid or…

Q: Define the following terms.  1) Standard solution 2) Primary standard 3) End point 4) Molarity of a…

A: Hey, you posted multiple questions we kindly request you to post each question separately. We will…

Q: For the following concentrations, determine the equivalent of a. 82 µg/mg albumin in ppm b. 5.4 x…

A: a. 1 ppm = 1 mg/L 1 L = 1000000 mg 1 mg = 1000 ug So, 1 ppm = 1000 ug / 1000000 mg = 1/1000 ug/mg =…

Q: How many grams of water must be used to dissolve 240g of glucose (C6H12O6) to prepare a 1.67 x 10^-3…

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Q: A pill weighing 325 mg contains the following. What is the concentration of each in ppm ? A. 12.5 mg…

A: Part a:Given:12.5 mg Captopril and mass of pill = 325 mgFormula to calculate concentration in…

Q: Q: 406g of Mg(OH)2 has solution with Normality 3.4 eqv.\ .What is the ppm of the solute?

A: A numerical problem based on concentration of solution, which is to be accomplished.

Q: 2. Calculate the molarity of a solution containing 5 g of NaOH in 450mL solution?

A: Molarity:. It is defined as the number of moles of solute present in the given solution in ml.

Q: W.H.2;How much Cl ions are contained in 5 L solution 28 ppm? K

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Q: A 3.0 kg sample of pond water contains 3.6 mg of a pollutant. What is the concentration of this…

A: Given information,       3.0 kg sample of pond water contains 3.6 mg of a pollutant.

Q: O What is the concentration in ppm of a 3.70 L solution (d 1.00 g/mL) containing 4.21 x 10-7 kg of…

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

Q: About 10.0 g of an unknown sample was disso

A: Osmotic pressure ( π ) formula is  π V = n  R T  where n = number of moles of sample = W/M π  V  =…

Q: A commercial pesticide formulation contains 1.0 g deltametrin in 1L solution. what is its…

A: Given : Mass of solute = 1.0 g Mass of solution = 1 L

Q: 6. What is the concentration of her solution in parts per million? ( 5Tbsp. of NaCIO (sodium…

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Q: How much NaOH (in g) will be needed to form a 1000L 100 ppm solution? a. 10 b. 100 c. 1000 d. 10000

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Q: A 30.00-mL sample is taken from an aqueous solution at 15°C. What volume does it occupy at 40°C and…

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Q: prefilled syringe contains 2 mg of active drug in 5 ml of solution. how many mcg of drug is…

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Q: 3 g of sugar and 100. mL of water what is w/w% assume solution density of 1.0 g/mL

A: Mass of solute = 3 g Volume of water = 100 ml Density of water = 1 g/ml Mass of solution = Mass of…

Q: How many grams of potassium dichromate (K>Cr207) are required to prepare a 500-mL solution ~ whose…

A: Given, Volume = 500 mL = 0.5 L Molarity = 5.00 M. To calculate the mass in grams.

Q: concentration

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Q: What is the concentration, in ppm, of 6.4 g of NaCl dissolved in a 44 L solution? The mass of the…

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Q: describe how you would prepare 750 mL of a 0.65 M MgCl2 solution

A: Molarity = number of moles/volume of solution (in L)   Number of moles = mass/molar mass  So,  mass…

Q: How many grams of solvent are in 5% CuSO4 solution?     a. 90g b. 95g c. 2g d. 5g

A: The mass of solvent is calculated using the formula of % by mass.

Q: What is the concentration of a solution, when 1.4 moles of MgOH are dissolved in 1200mL of H2O?

A: Given: The moles of magnesium hydroxide=1.4 mol Volume of solution =1200 mL Volume of solution=1200/…

Q: concentration in ppm?

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Q: Calculate the parts per million of a solution made with 0.057g Pb(NO3)2 in 6552g of water.

A: A numerical problem based on concentration of solution, which is to be accomplished.

Q: If 70 grams of NH4CI is dissolved in 100 grams of water at 70°C is the solution saturated,…

A: saturated solution=maximum amount of solute that will dissolve at particular temperature,if any more…

Q: Industrial wastewater contains 3.60 ppb cadmium, Cd2+. How many mg of Cd2+ could be recovered from a…

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Q: Which solution is more concentrated? * 25 g of salt in 100 mL of water 5 g of salt in 10 mL of water…

A: 4 solutions are given 25 g of salt in 100 mL of water 5 g of salt in 10 mL of water solution with…

Q: 3. Which of the following do not represent a concentration of a solution? Select one: a. molarity…

A: Solution is made up of solute and solvent. Solute is present in small amount and solvent is present…

Q: Identify the concentrationa for an aluminum hydroxide Al(OH)3 solution containing 150g of aluminum…

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Q: Answer the questions for the graph given below. 100 90 NANO 80 70 Pb(NO3)2 KCI 60 CaCl 50 40 NaCI 30…

A: At 10°c highest solubility is for NaNO3 Solubility of Pb(NO3)2 in 50 g in 100 g of water at aprox…

Q: 1. How many grams of NaCl would you use to make 100ml of a 4M solution?

A: "To get remaining sub-parts solved please repost the complete question and mention the sub-parts to…

Q: If we measure 27.5mL of 2.50 molar Na2Cr2O7 solution, how many grams of sodium are present?

A: GivenMolarity of Na2Cr2O7 = 2.5 M ( mol/L )Volume of solution = 27.5 ml = 27.5 x 10-3 LMolar mass…

Q: Calculate the molarity of each aqueous solution:(a) 25.5 mL of 6.25 MHCl diluted to 0.500 L with…

A: The objective of the question is to calculate the molarity of the given aqueous solutions: (a) 25.5…

Q: What is the volume in milliliters of a 85% (v/v) rubbing alcohol solution that contains 15 mL of…

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Q: What is the concentration in ppm of a solution containing 0.75mg of fluoride in 150ml of tap water?

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Q: An industrial wastewater contains 3.70 ppb cadmium, Cd2+. How many mg of Cd2+ could be recovered…

A: Since ppb is defined as the  ppb = mass of solute X 109 / ( mass of water ) mass of water given =…