Calculate the molar concentration of the polycyclic aromatic hydrocarbon (PAH), anthracene (178.23 g/mol), that was found...

Question

Question

Calculate the molar concentration of the polycyclic aromatic hydrocarbon (PAH), anthracene (178.23 g/mol), that was found...

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 6.36 ppb. Assume the density of the water is 1.00 g/mL.

science chemistry

Add a comment Improve this question Transcribed image text

Answer 1

Answer #1

Add a comment

Answer 2

Similar Homework Help Questions

Calculate the molar concentration of acetic acid (CHcCOOH) in the vineagar sample using the average volume of NaOH

Calculate the molar concentration of acetic acid (CHcCOOH) in the vineagar sample using the average volume of NaOH. Assume that the density of vinegar is 1.00 g/mol. Average volume of NaOH- 27.88
Calculate the vapor pressure of a solution made by dissolving 94.5 g of urea (molar mass=...

Calculate the vapor pressure of a solution made by dissolving 94.5 g of urea (molar mass= 60.06 g/mol) in 214.5 mL of water at 35°C (Hint: The vapor pressure of pure water at 35°C is given in the table below. Assume the density of the solution is 1.00 g/mL.) What is the magnitude of vapor-pressure lowering? mmHg
A 12.5% (w/w) NiCl2 (129.61 g/mol) solution has a density of 1.149 g/mL. Calculate(a) the molar...

A 12.5% (w/w) NiCl2 (129.61 g/mol) solution has a density of 1.149 g/mL. Calculate(a) the molar concentration of NiCl2 in this solution.(b) the molar Cl− concentration of the solution.(c) the mass in grams of NiCl2 contained in each liter of this solution.

molar concentration

A 15.0% (w/w) NiCl2 (129.61 g/mol) solution has a density of 1.149 g/mL. Calculate the molar concentration of NiCl2 in this solution.
A calorimeter contains 29.0 mL of water at 14.0 ∘C . When 1.30 g of X (a substance with a molar mass of 61.0 g/mol ) is...

A calorimeter contains 29.0 mL of water at 14.0 ∘C . When 1.30 g of X (a substance with a molar mass of 61.0 g/mol ) is added, it dissolves via the reaction X(s)+H2O(l)→X(aq) and the temperature of the solution increases to 27.0 ∘C . Calculate the enthalpy change, ΔH, for this reaction per mole of X. Assume that the specific heat of the resulting solution is equal to that of water [4.18 J/(g⋅∘C)], that density of water is 1.00...
A 5.0067 g sample of Na2CrO4 (MW = 161.97 g/mol) is dissolved in 250.0 mL of...

A 5.0067 g sample of Na2CrO4 (MW = 161.97 g/mol) is dissolved in 250.0 mL of water. Assume the solution has a density of 1.00 g/mL. A 50.0 mL aliquot of the solution is then diluted to a final volume of 250.0 mL. What is the concentration of Na+ in the diluted solution in units of parts per million (ppm)?

1. The LD50 of cocaine is 95.1 mg/kg. Calculate the concentration of a solution, in molarity...

1. The LD50 of cocaine is 95.1 mg/kg. Calculate the concentration of a solution, in molarity if they drank 1 liter of it. 100 g / 303.346 g/mol = 0.329 mol of cocaine. 0.329 mol/ 1 L= 0.329 M for molarity. Is this correct? 2. Find one other concentration unit [mass/mass (g/g) or mass/volume (g/ml) percentage, ppm or ppb] that would be toxic to a 85 kg person. Assume the density of a solution of your substance is the same...
A solution of F− is prepared by dissolving 0.0887±0.0006 g NaF (molar mass = 41.989±0.001 g/mol) in 152.00±0.09 mL of water. Calculate the concentration of F− in solution and...

A solution of F− is prepared by dissolving 0.0887±0.0006 g NaF (molar mass = 41.989±0.001 g/mol) in 152.00±0.09 mL of water. Calculate the concentration of F− in solution and its absolute uncertainty.
Calculate the molar mass (in g/mol) of an unknown 1:1 electrolyte if 0.45 g dissolved in...

Calculate the molar mass (in g/mol) of an unknown 1:1 electrolyte if 0.45 g dissolved in 199.2 mL of water at 49.72 °C has an osmotic pressure of 34.4 mmHg. R = 0.082058 L⋅atm⋅mol−1⋅K−1. 1.00 atm = 760 mmHg. Report your answer to THREE significant figures.

A 5.9957 g sample of Na, CrO, (MW = 161.97 g/mol) is dissolved in 1000.0 mL...

A 5.9957 g sample of Na, CrO, (MW = 161.97 g/mol) is dissolved in 1000.0 mL of water. Assume the solution has a density of 1.00 g/mL What is the concentration of Na* (MW = 22.9898 g/mol) in the solution in units of molarity (M)? concentration: М What is the concentration of Na+ in the solution in units of parts per thousand (ppt)? concentration: ppt A 50.0 mL aliquot of the solution is then diluted to a final volume of...

Calculate the molar concentration of the polycyclic aromatic hydrocarbon (PAH), anthracene (178.23 g/mol), that was found...

Homework Answers

Add Answer to:
Calculate the molar concentration of the polycyclic aromatic hydrocarbon (PAH), anthracene (178.23 g/mol), that was found...

Post as a guest

Earn Coins

Calculate the molar concentration of acetic acid (CHcCOOH) in the vineagar sample using the average volume of NaOH

Calculate the vapor pressure of a solution made by dissolving 94.5 g of urea (molar mass=...

A 12.5% (w/w) NiCl2 (129.61 g/mol) solution has a density of 1.149 g/mL. Calculate(a) the molar...

molar concentration

A calorimeter contains 29.0 mL of water at 14.0 ∘C . When 1.30 g of X (a substance with a molar mass of 61.0 g/mol ) is...

A 5.0067 g sample of Na2CrO4 (MW = 161.97 g/mol) is dissolved in 250.0 mL of...

1. The LD50 of cocaine is 95.1 mg/kg. Calculate the concentration of a solution, in molarity...

A solution of F− is prepared by dissolving 0.0887±0.0006 g NaF (molar mass = 41.989±0.001 g/mol) in 152.00±0.09 mL of water. Calculate the concentration of F− in solution and...

Calculate the molar mass (in g/mol) of an unknown 1:1 electrolyte if 0.45 g dissolved in...

A 5.9957 g sample of Na, CrO, (MW = 161.97 g/mol) is dissolved in 1000.0 mL...

Calculate the molar concentration of the polycyclic aromatic hydrocarbon (PAH), anthracene (178.23 g/mol), that was found...

Homework Answers

Add Answer to: Calculate the molar concentration of the polycyclic aromatic hydrocarbon (PAH), anthracene (178.23 g/mol), that was found...

Post as a guest

Earn Coins

Add Answer to:
Calculate the molar concentration of the polycyclic aromatic hydrocarbon (PAH), anthracene (178.23 g/mol), that was found...