How many L of a 9.4% (m/v) sample of salt water contain 22.4 g of salt?

Q: The osmotic pressure of solution containing 7.0g of insulin per liter is 23 torr @ 25degrees…

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Q: How many mL of 2.50% (m/v) salt solution would contain 1.80 g of salt?

A: →m/v% =2.50%       Mass of solute =1.80g       Volume of solutionv=?        m/v% =Mass of…

Q: 0.273 g of an unknown compound dissolved in 100. mL of water has an osmotic pressure of 32.6 mmHg at…

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Q: How would you make 250ml 56% NaCl solution? O 112.5g NACI O 82.4g NaCI 33.5g NaCl 140g NaCI

A: It is given that 250 mL of 56% solution of NaCl needs to form and the mass of NaCl required needs to…

Q: solutions as follows: 1) 2.0 g of ethanol (C2H6O) was dissolve in 1.0 L water and 2) 2.0 g of…

A: Osmotic pressure is Directly proportional to Concentration of solute. Molarity is defined as total…

Q: A 0.900L sample of sea water is found to contain 6.7 mg Zn. Express concentration in ppm?

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: How many mL of ethanol are contained in a 40.-mL portion of a mouthwash that has 6.2% (v/v) of…

A: We have to calculate the volume of ethanol.

Q: 2. Which statement is true about the solubility of alcohols in water?       A. Alcohols are always…

A: Answer:- This question is answered by using the simple concept of solubility of alcohol in water and…

Q: Part 1: For each person, calculate the total number of osmolytes in the ICF and ECF and their body…

A: After understanding the problem statement lets move to the answers part.

Q: How much glucose would you need to add to 375 mL of water to make a 5% glucose solution?

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Q: How many mL of ethanol are contained in an 8.0-oz bottle of hand sanitizer that has a concentration…

A: The given information is that, 62% (v/v) indicates that 100 ml of hand sanitizer consists of 62 ml…

Q: 4. Compare boiling points and solubilities in water for each pair c Ammonia, NH, and methane, CH, b.…

A: Physical properties of a compound depends on its intermolecular forces. The compounds which have the…

Q: How many milliliters of a 0.1% (w/v) thimerosal topical solution should be used to prepare one-half…

A: Concentration is defined as amount of solute present per unit amount of solvent or solution.…

Q: An individual is legally intoxicated with a blood alcohol level of 0.08% (w/v) of ethanol. How many…

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Q: Draw a more accurate representation of one unit of C6H12O6 dissolved in water

A: To write the representation of one unit of C6H12O6 dissolved in water we have to write the Molecule…

Q: 1. How many ml of sulphuric acid are required to make 1.5L of a 32% (v/v) solution? 2. How many mls…

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Q: Drinking too much plain water in a short period of time can result in water intoxication. As a…

A: Introduction: If plasma will become hypotonic what will happen to blood cells.

Q: If 25 g of sodium chlorate (NaCIO3) are dissolved in 100 g of water at 70 C , how would you describe…

A:

Q: If 25 g of sodium chloride (NaCIO3) are dissolved in 100 g of water at 70°C, how would you describe…

A: (M/M )percent = (Mass of  solute / Mass of solution )×100

Q: What volume of purified water, in milliliters, do you need to add to 5 mL promethazine 2 mg/mL…

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Q: How much of a 2.0 M NaCl solution is needed to make 205.0 mL of 0.15 M NaCl solution?

A: The relation between molarity and volume of a particular solution at two different concentrations is…

Q: The "action level" concentration for lead in drinking water is 15 ppb lead. How many grams of lead…

A: Given : concentration of lead in solution = 15 ppb  Volume of water = 1 L  To calculate :  Mass of…

Q: 1. How many grams of glucose would you need to make 500 ml of an 8% solution? 2. What is the percent…

A: Answer: These questions are based on (w/v)% concentration of solute in solution where volume of…

Q: 2.20-L sample of water contains 165.0 ug of lead. calculate the concentration of lead in ppm

A: PPm  generally known as parts per million,which is unit to measure the environmental pollutants.

Q: 1) juice-lemon, orange, calamansi, or dalandan 2) vinegar 3) table salt dissolved in water 4) soap…

A: As per guidelines I solve first four  pH is negative logarithm of Hydrogen ion concentration  pOH is…

Q: How much sugar (C12H22O11) in grams must be added to 450 mL water to make a 20% sugar solution?

A: Density of water = 1 g/mL Mass of water = volume x density                             = 450 x 1=…

Q: If glycerin has a specific gravity of 1.25 what is the concentration in % w/v? Given: glycerin =…

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Q: You need to prepare a solution of glycerol ( CH2OH-CHOH-CH2OH) in 100.0 g of water, so the…

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Q: How many grams of lead is contained in 6.0 × 10^3 gram of blood if the lead content is 0.62 ppm

A: The question is based on concepts of dimensional analysis. we have to systematically calculate mass…

Q: A 10.0-gram sample of stream water was found to contain 5.00x10-6 g lead.  What is that…

A: ppm is a unit which is used to represent the concentration at very small  level. 1ppm =1mg/L

Q: A)Hemoglobin has a molecular weight ~ 16,000 daltons. How many grams would need to be dissolved in 1…

A: Given, A) Hemoglobin has a molecular weight ~ 16,000 daltons.  grams would need to be dissolved in 1…

Q: Determine the volume of 2.50 mol/L concentrated solution needed to make 1.50 L with a concentration…

A:

Q: You need to prepare a solution of glycerol ( CH2OH-CHOH-CH2OH) in 100.0 g of water, so the…

A: In this ques, we have given a solution of glycerol and water, we have to calculate the mass of…

Q: Which of the following will not be more soluable in hot water than cold water? a. O2 b. NaCl c.…

A: Correct option is A. oxygen is more soluble in cold water than hot water. These is because as the…

Q: What is the Molar concentration of a 5.10% sodium hypochlorite solution (density 1.0g/mL)’ …Not sure…

A: Given that, a 5.10% sodium hypochlorite solution. The density is d = 1.0g/mL. The molar mass of…

Q: mL Alcohol 85% ad 240 mL Sig. For the scalp. How milliliters each of 95% v/v alcohol and water…

A: The questions asks the volume of alcohol and water to be mixed in order to prepare 240 ml of 85%…

Q: How many mols of Sulfuric Acid are in 63.5ml of a 3.0M solution

A: Volume = 63.5 ml = 0.0635 L (1L = 1000ml) Molarity = 3.0 M

Q: How    do    you    prepare    25    mL    of    0.4%    (w/v)    cesium    chloride?

A: Dear student since you have asked multiple questions but according to guidelines we will solve 1st…

Q: You need 500 mL of a 0.5 M iron(III) chloride solution. You only have a 3.0 M FeCl3 solution on…

A: The volume of the Stock Solution can be calculated as -

Q: How many mg of NaCl are present in 10ml of a 1.5M solution of NaCl.

A: Since, this is a multiple questions. So, I will solved first question for you. In this question-1 we…

Q: In stock is a 2 L of a solution that is 60% (v/v) alcohol in water. How many cc of pure alcohol does…

A: Volume of solution = 2L

Q: iven the stock solution (0.019 M) and diluted solution (0.013M) can you help me compute with How…

A: Stock solution of 0.019 M ascorbic acid                                 Ascorbic acid present in a…

Q: Record the number of teaspoons of salt that dissolved in 1/2 cup oil. Record the number of teaspoons…

A: Oil is a hydrocarbon and therefore oil is a non-polar compound.

Q: Q 3: Answer all the following questions a) Calculate the Pesticide concentration in PPM for 0.40 L…

A: A solute is defined as the component of the solution present in a smaller proportion while a solvent…

Q: In the picture below, the egg on the left was placed in a distilled water for 7 days. The egg on the…

A: In the left figure the egg placed in the distilled water and in distilled water there is no any ions…

Q: How would a technician make 50 mL of a 2% w/v NaCl solution?

A: We have to make 2% w/v NaCl solution.  Volume of solution should be 50 mL.  To make this solution we…

Q: 1. What is the boiling point of a 3.62m solution of C2H6O2?

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

Q: What is the boiling point of a solution prepared by dissolving 2.50g of biphenyl (C12H10) in 85.0 g…

A: The given problem can be solved by using the formula given below as; ∆Tb = Kb . m…

Q: 120 grams of KI is added at 10°C is the solution saturated, unsaturated, or supersaturated

A: The question is based on the concept of solubility. Maximum amount of solute which can be dissolved…

Q: Calculate the volume in milliliters of a 0.587M iron(II) bromide solution that contains 50.0mmol of…

A: We know that 1 millimole is 10-3 moles50  We are given that,f a 0.587M iron(II) bromide solution has…