Calculate the molar concentration of the polycyclic aromatic hydrocarbon ( PAH ), anthracene ( 178.23 g/mol), that was found in a well water sample at a concentration of 2.94 ppb. Assume the density of the well water sample is 1.00 g/mL

Q: Explain the stages of the formation of crude oil and gas in a flow chart.

A: The stages of the formation of crude oil and gas

Q: What is the final concentration of sucrose after 50.00 mL of a 0.0250 M sucrose solution is diluted…

A: According to our guidelines, I can only answer first question because you have posted multiple…

Q: A 15 meter by 12-meter pool of water has a depth of 2.2 meters. What mass of silver ion is present…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: Household bleach is one of the most commonly used disinfectants this pandemic. Its major chemical…

A: There are several ways to express the concentration of solutions. Some of them are molarity,…

Q: A 3.89 kg sample contains has 0.90 mg of a heavy metal, express the concentration of heavy metal in…

A:

Q: What is water hardness? Differentiate temporary from permanent water hardness

A:

Q: Calculate the volume of concentrated HCl  {which has a specific gravity of 1.18  and 35% (w/w))…

A: We will calculate concentration of concentrated HCl and then find its volume needed.

Q: A 9.97 M solution of NaOH has a density of 1.33 g/cm3 at 20°C.  Assume you have 1.00 L of solution.…

A: 1. First calculate the mole of NaOH. NaOH moles=1.00L×9.97M=9.97mol Next the mass of NaOH, solution…

Q: 1. A 0.68 gram sample of a volatile liquid was heated to 358 K. The gas occupied 265 mL of space at

A: Note: Dear student as per the guidelines only the 1st quetions  is allowed to answer. from ideal gas…

Q: Table 3b.1. Observations on the metal paper clip or needle placed on the surface of distilled water…

A: when we put tissue paper metal paper clip on it into the distilled water we found  that paper clip…

Q: Log Koc = 2.36 for the pesticide Carbaryl.  Rainwater percolating down through the soil contains 5…

A:

Q: Other common solvents include the alkane hexane and the ketone acetone. Which solvent (hexane,…

A: Given compounds: Hexane, Water, and Acetone Carbon tetrachloride (CCl4)

Q: 1. What are some common uses for simple distillation? What are some common uses for fractional…

A:

Q: Calculate the molar concentration of the polycyclic aromatic hydrocarbon (PAH), anthracene (178.23…

A: We have to calculate the molar concentration of water .

Q: If you were in a town struck by severe calamity and drinking water is not yet available, how will…

A: Flood water is not suitable for drinking as such.

Q: List and describe the two main methods of seawater desalination.

A: Desalination plants are providing drinking water to one percent of the world population. The process…

Q: QUANTITY OF THERMOTOLERANT COLORFORM BACTERIA, WHICH IS ALLOWED IN 100 ML DRINKING WATER OF…

A: Option 4) lack of

Q: Have 50 gallons of water dripping concentrated nutrients into the water system. Need a concentration…

A:

Q: The Environmental Protection Agency recommends that Pb2+ have a concentration not exceeding 1.00 ×…

A:

Q: A 15 meter by 12 meter pool of water has a depth of 3.0 meters. What mass of silver ion is present…

A: Parts per million (PPM) is unit of measurement used in expressing very dilute concentration level of…

Q: Calculate the volume of nitrogen dioxide gas in mL required to make 10.0 g nitric acid at STP. 3NO2…

A:

Q: Solubility or Miscibility (soluble or insoluble; miscible or immiscible) Compound Cyclohexane…

A: As no particular solvent is mentioned. so we are considering solvent water. I On basis of this…

Q: What is the level of heavy metal (in ppm) in a 3.89 kg sample that has 0.9 mg of the heavy metal…

A: PPM stands for parts per million.  It is used when solute concentration is very very low.

Q: Trace metals and organic contaminants are normally present at sub ppb levels in waters. What is the…

A: ppb is defined as the parts of solute per billion parts of solution given by, => ppb = Mass of…

Q: Calculate the molar concentration of the polycyclic aromatic hydrocarbon (PAH), anthracene (178.23…

A: Given: Concentration of well water sample = 2.18 ppb Density of well water sample =1.00 g/mL To…

Q: The water sample from the polluted estuary (number 4), was then subjected to a series of…

A: Many problems in analytical chemistry begin with the need to identify what is present in a sample.…

Q: aluminum hydroxide has a Ksp value of 2.0x10-32.  This indicates that aluminum hydroxide is…

A:

Q: pressure 1.40 g of a polyethylene sample was dissolved in enough benzene to make 100. mL of…

A:

Q: You are required to prepare 5 L of a solution containing 1.000 x 10 mol/L of Cu2"(aq). Which of the…

A: The molarity of a solution describes the number of moles of the solute present in one liter of…

Q: An action will elevate the concentrations of three chemicals in the drinking water supply: 1,1,1-…

A: The concentration of these chemicals in drinking water is much higher than said to be safe for…

Q: Rudolf has an 15mL extract from a plant sample. He took a 50.0 μL aliquot and diluted the solution…

A: From 15 mL extract of a plant sample, 50.0 μL aliquot is taken and diluted to 1 mL. Another…

Q: Name: CH 103 – Introduction to Inorganic and Organic Chemistry Exp. 14 - Solutions and Solubility…

A:

Q: Why do proteins form precipitates under some conditions and gels under others?

A: Protein precipitation means process in which it is separated from any extra material that is mixed…

Q: 1. Which IMF or IMFs are correlated with molar mass? Describe this correlation

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

Q: In the lead content analysis of a wastewater sample, 50.00 mL of the original sample was taken and…

A:

Q: The concentration of CaF2 in an aqueous solution is measured to be 0.056 M. Calculate the…

A:

Q: 1-melting point helps to identify unknown samples. true or false 2-the reaction of one mole of hydro…

A: 1-melting point helps to identify unknown samples. True Reason: melting or depression in melting…

Q: . Place a cup of water in a beaker or a pan. Then heat it using a hot plate or stove. Place a…

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

Q: Choose the correct answer and explain Which of these are the surfactants when dissolved in water,…

A:

Q: Table 1. Solubility Tests. Functional Group Observations (specify type if any) Sample in…

A: Introduction: We have to tell the observations for the following reactions taking place.

Q: The concentration of titanium in the South Pacific Ocean, near the island nation of Fiji, has been…

A: Molarity i.e concentration in mol/L of any solution is given by

Q: Different type of methods used in household contaminated wastewater purification

A: Different type of methods used in household contaminated wastewater purification are- 1) Septic…

Q: A 250 cm solution is prepared by dissolving 8,0 g sodium hydroxide in distilled water. a) Calculate…

A: Given data mass of sodium hydroxide (NaOH) = 8.0 g Volume of NaOH solution = 250 cm3…

Q: Based from the Molarity (0.60) of the palmitic acid solution that you were able to solve from the…

A:

Q: Explain the methods of household contaminated wastewater purification

A: Untreated sewage water in such areas can contaminate the environment and cause diseases such as…

Q: Write the formula for a micelle of a Cr (OH) 3 sol obtained as a result of the hydrolysis reaction…

A: Introduction: A micelle is the colloidal suspension form by the aggregation of surfactant molecules…

Q: Ethanol is metabolized in most people at a constant rate of about 120mg per hour per kg body weight,…

A: Metabolic Rate is the number of calories required to keep human body functioning at rest.

Q: Do you think that leucine would have the same or a different structure depending upon if it was…

A:

Q: The solubility of solute A is 0.72 g in 100 g of an organic solvent and 0.37 g per 100 g of water.…

A:

Q: Why do Sedimentation and filtration is important in water treatment? Is a period of time important…

A: The sedimentation process is most important process which is imposed for the reduction of…