Seawater has a concentration of 0.60 M NaCl. The acceptable amount of NaCl in drinking water is 9.0g/L. How much pure water should be added to 2.50 L of seawater for it to be safe for human consumption?

Q: A saline solution contains 1.1% NaCl by mass. How much NaCl is present in 96.3 g of this solution?

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Q: A dilute aqueous solution has a density near 1.00 g/mL. Suppose the solution contains 1 ppm of…

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Q: Percent by definition is parts per hundred. % (w/w) = (mass of solute/mass of solution) x 100. For…

A: Given information, 0.080 g  alcohol present in 100 ml blood  We have to calculate parts per…

Q: The maximum contaminant level (MCL) set by the EPA of antimony in drinking water is 0.0060 mg/L.…

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Q: What volume of a 0.540 M NaOH solution contains 12.5 g of NaOH?

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

Q: The solubility of KCl at 20°C is 34.0 g per 100.0 g of water. What is the maximum amount (in grams)…

A: All known compounds can be dissolve in certain solvents whereas they remain insoluble in other…

Q: Dilution means adding water to something so that the ratio of solute to solvent is less than in the…

A: When the amount of solute is dissolved in a solvent to make a homogenous mixture are known as…

Q: In order to maintain a sodium chloride (NaCl)concentration similar to ocean water, an aquarium must…

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Q: A 48.0 wt% solution of HBr in water has a density of 1.50 g/mL. (a) How many grams of solution are…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: What is the% v / v of a solution

A: Given :-  volume of solute = 240 mL  volume of sovent = 780 mL  To calculate :-  % v / v of…

Q: How many mL of water is in 950.0 mL of a 0.25 M NaCl solution? The Density of NaCl=2.165g/mL

A: Molarity (M) The equation to calculate molarity is ; M=given massmolar mass×volume of solution(L)

Q: A saline solution used in intravenous drips for patients who cannot take oral fl uids contains 0.92%…

A: Given data Concentration of NaCl in solution = 0.92 % (w/v) Volume of solution = 250 mL…

Q: At room temp, solubility of table salt in water is 359 g/L of water. If a solution was prepared at a…

A: Given the solubility of table salt in water = 359 g/L So, amount of salt that is soluble in 100 ml…

Q: 2. A solution of KCI is saturated at 50°C. (a) How many grams of solute are dissolved in 100 g of…

A: Answer:- This question is answered by using the given solubility table at different temperatures.…

Q: Magnesium Sulfate has a solubility of 38.9g/100g H2O at 30 degrees C. A solution is prepared by…

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Q: The Earth’s oceans have a salinity of 35. What is the concentration of dissolved salts in seawater…

A: Given that salinity of earth’s ocean is 35. Thus, mass of salt in one kilogram of water is 35 g and…

Q: A dioxin-contaminated water source contains 0.085% dioxin by mass. How much dioxin is present in 2.5…

A: The answer to this question is as follows---------- density = mass/volume

Q: When patients are given an injection of a drug, it gets diluted in the blood stream. For pain…

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Q: You want to prepare 450.0 mL of a 145 ppm K+ ion solution.  The density of the solution is 1.01…

A: 1 mg solute per 1 kg of solution is known as 1 ppm.

Q: A sample of water is analyzed for various ions.  If the sample has the following ion concentrations:…

A: Concentration in ppm = (Weight in mg) ÷ (Volume in Litre)

Q: What volume of a 1.00 M stock solution of glucose must be used to make 500.0 mL of a 1.75 x 10-2 M…

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Q: How many liters of a 7.0 % (m/v) glucose solution would you need to obtain 75 g of glucose? Express…

A: Since % m/v is defined as % m/v = mass of solute X 100 / volume of solution  Since solute here is…

Q: 3. The solubility of pixie dust in water is 35 g/L. If you add 100 grams of pixie dust to 3 liters…

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Q: Calculate the percent mass per volume, % (m/v), of a dextrose solution containing 7.00 g of dextrose…

A: A dextrose solution containing 7.00 g of dextrose in 3.00 × 102 mL of solution .We have to…

Q: Which of these will NOT dissolve in water?    a.table salt b.sugar c.vinegar d.bacon fat

A: Given options are : a.table salt b.sugar c.vinegar d.bacon fat Which of these…

Q: A cola drink contains 10.6 g of sucrose per 100 mL. (i) Calculate the molarity of the sucrose…

A: Given : Mass of sucrose i.e C12H22O11 = 10.6 g And volume of solution = 100 mL = 0.100 L…

Q: steven is to get 7.00 mg/hr of continous morphine sulfate infusion. the solution is prepared as 125…

A: This is a general problem. We can solve this using logic. Here the things provided are, 7 mg/hr…

Q: Calculate the concentration of lead in milligrams per liter.

A: Given :- volume if water = 1285 mL  mass of lead = 95.0 mg   To calculate :-  concentration in mg/L…

Q: What is the density of a solution

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Q: A sample of 0.892 g of potassium chloride (KCl) is dissolved in 54.6 g of water. What is the percent…

A: The percent by mass defines the percentage of each element that participates chemically in the…

Q: A 1185 mL sample of drinking water was found to contain 20.5 mg of lead. Calculate the concentration…

A: Given: Volume of water sample=1185 mL=1.185 L Mass of lead=20.5 mg

Q: How many grams of NaCl is present in 100mL of salt water and 70g of water? The salt water density is…

A: Mass of solution = volume of solution x density of solution = 100 mL x 1.08 g/mL…

Q: Calculate the percent by volume of a solution that contains 5.0 ethanol in 250 mL solution?

A: The concentration of any substance can be expressed in different ways such as molality, molarity,…

Q: 8. The density of methanolc acid, HCOOH Is 1.22 g/mL If 33.5 mL of methanoic acid is dissolved in…

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Q: Suppose you had a solution of 6.84 g of sugar ( sucrose C12H22O11) in 90.0 g of water ? Calculate…

A: The number of moles of a compound can be calculated by dividing the mass of that compound given with…

Q: What are the concentrations of chemicals interest to water treatment and potable water supply…

A: The process in which the quality of water improves to make it a appropriate use is known as water…

Q: A diluted solution of sulfuric acis , H2SO4, has a density of 1.523 g/mL. The solution contains 50.0…

A: We will first calculate the number of moles of solute, then volume of solution. Finally find…

Q: solution of atrazine (an herbicide) in water has a concentration of 0.050 µg/L. What is this…

A: A solution of atrazine (an herbicide) in water has a concentration of 0.050 µg/L. What is this…

Q: 3. If a researcher starts with 3.00 mL of a 4.50 mg/mL protein solution and adds 10.0 mL of water,…

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Q: Concentrated sulfuric acid is 18.0 M and has a density of 1.84 g/mL. Calculate the percent mass of…

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Q: 2) An aqueous solution is 3.0 M hydrochloric acid and has a density of 1.1 g/mL. How many mmol of…

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Q: 54. Potassium sulfate has a solubility of 15 g/100 g water ar 40°C. A solution is prepared by adding…

A: Given : solubility of potassium sulfate i.e K2SO4 is 15 g/100 g water  Mass of K2SO4 added = 39.0 g…

Q: Using the chart provided, which substance has a solubility of 30.grams of solute per 10 grams of…

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Q: A solution 15%(m/m) Na3PO4. What volume of the solution do you need to get 7.5 g of Na3PO4?

A: The mass percent of a solute in a solution = (mass of solute/mass of solution) x 100 The mass of the…

Q: 6.) Calculate the percent by mass of potassium sulfate in a solution made from 49.21 g potassium…

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Q: A solution of HCl has a specific gravity of 1.12 and contains 23.81% HCl by wt.  a. what is the…

A: Given,  A solution of HCl has a specific gravity of 1.12 and contains 23.81% HCl by wt. The…

Q: 1. What are the parts of a solution? A. water and salt B. solution and solute C. solvent and solute…

A: The homogeneous mixture of two or more substances is known as a solution.

Q: One of the most utilized IV (intravenous) fluids administered in medical settings is called D5W,…

A: Given that : Volume of D5W = 250 mL %m/V = 5%

Q: A 70.0% alcohol solution is used as an antiseptic to clean hoods in microbiology labs. What volume…

A: Given information:70% alcohol solution (70 g solute in 100 mL of solution)