The questions is as follows: The World Health Organization drinking water standard for arsenic is 10.0 micrograms/liter. Los Angeles watter is 5 ppb (parts per billion) arsenic. Convert the WHO arsenic standard to ppb and determine whether Los Angeles water is above or below the standard. (Assume that the density of the water is 1.00 g/cm^3)

Q: Albumin is a protein found in blood. If the concentration of this protein is 6.00 x 102 micromole…

A: The concentration albumin protein in blood is =  6.00 x 102 micromole per liter Molecular mass of…

Q: A solution with a dnsity of 0.876 g/mL contains 5.0 grams of toluene and 225 grams of benzene.…

A: Applying formula of molarity M= n/Vl

Q: A swimming pool containing 20×103 L of water is chlorinated to have a final Cl2 concentration of…

A: Given:Volume of water in swimming pool =20 x103LConcentration of Cl2= 0.005Mwe know molarity, = no.…

Q: Human serum contains less than 3.0 x 10-4 mM of Sr2+ cation. What is this concentration in ppb?…

A: we have to calculate the concentration of Sr2+ cation in ppb

Q: Potassium cyanide is a toxic substance, and the median lethal dose depends on the mass of the person…

A: 1. Molarity=Moles of solute/Volume of solution (in litres)

Q: 2. A solution is prepared by dissolving 10.44 g of NaCl in enough water to make 500.0 mL of…

A: 1 parts per million (ppm) is equivalent to 1 mg/L. Expressing the given concentration in mg/L: 500…

Q: Many remote villages depend solely on wells to supply their drinking water. A ground water analyst…

A: we have to calculate volume of sample of well water

Q: If the user dissolves exactly 1 g1 g of ketamine in 1/41/4 cup of water, what is the concentration…

A:

Q: For the following show the calculation for both trails b) Volume of NaOH c) moles NaOH d) moles of…

A: Dear student,  As you have asked multiple subpart questions but according to guidelines we will…

Q: A solution is prepared by mixing 694.0 mL of ethanol with 506.0 mL of water. The molarity of ethanol…

A: Given that the solution is made by mixing 694.0 mL of ethanol and 506.0 mL of water.

Q: A student dissolves 15. g of phenol (CH5OH)i in 300. mL of a solvent with a density of 0.81 g/mL.…

A: Given,mass of phenol ( C6H5OH ) = 15. gvolume of solvent = 300. mLdensity of solvent = 0.81 g/mL

Q: solution of potassium dichromate by measuring out 2.7g of potassium dichromate into a 200.mL…

A: Molarity  Moles of solute present per liter of solution is called molarity of a solution. Molarity…

Q: A 104-mg sample of Na2CO3 is dissolved in H2O to give 2.45 L of solution. What is the concentration…

A:

Q: (SHOW CALCULATIONS) The Environmental Protection Agency sets limits for copper in drinking water at…

A: Given,Concentration of copper ( Cu ) in drinking water by mass = 1.3 ppmMolar mass of copper =…

Q: You have two solutions, pure water and sugar water, which are both open to the air, and separated…

A: Osmosis is a spontaneous process in which water moves from lower concentration to higher…

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: An experimental attempt was to convert 2000 cm^3 of a solution consists of 0.96 ethanol into another…

A: Initially, for 0.96 ethanol solution,Given that,The equivalent volume of ethanol () = Total volume…

Q: Consider the following chemical reaction: 2HCl (aq) + Mg(OH)2 (s) → 2H2O (l) + MgCl2 (aq) What…

A: In given reaction state of reactants and product given.

Q: Monique has a pot that contains 7 liters of brine (salt water) at a concentration of 110 g/L. She…

A: The number of moles of solute on per liter of solution is known as concentration.

Q: A chemist must dilute 94.7 mL of 2.74 M aqueous barium acetate (Ba (C2H3O2)2) by adding distilled…

A: M1V1  = M2V2 M1  -  Initial molarityV1 - Initial volumeM2 - Final molarityV2 - Final volume

Q: Toxic Cr(VI) can be precipitated from an aqueous solution by bubbling SO2 through the solution. How…

A: Number of moles =concentration X volume Here concentration of cr =5.00    X 10 =10 m

Q: The concentration of chloride ions in a sample solution is 98 ppb. What is the mass in mg of…

A:

Q: Normality of H2$O4 was determined by titrating 150.00 mL of the solution against a known NaOH…

A:

Q: Dissolved particles in the blood has a total concentration of 0.30 M. A person was given 150 mL per…

A: Molar mass of C6H12O6 (glucose) is = 12*6 + 12*1 + 16*6 = 72 + 12 + 96 = 180 g/ mol Molarity of…

Q: Which of the following chemicals is flammable?

A:

Q: A 4.55 L sample of water contains 0.115 g of sodium ions.  Determine the concentration of sodium…

A: Given values -> Volume of water = 4.55litere Weight of sodium ion = 0.115gm Density of the…

Q: Complete and balance the following neutralization reactions.…

A: H2CO3(aq)+Ba(OH)2(aq)→ complete and balance the above neutralization reaction.

Q: 14. The concentration of the original unknown protein solution is determined to be 0.2173 mg/mL.…

A: Given, Concentration of the protein solution = 0.2173 mg/mL Concentration of the protein solution =…

Q: Question 11 The average rate of disappearance of ozone in the following reaction is found to be 8.93…

A: Question 11)  Given that : Rate of disappearance = 8.93×10-3 atm/s Rate of appearance of O2 = ?

Q: In a healthy adult, mercury is removed from the body naturally but slowly. If a 500.0g piece of…

A:

Q: A patient is given an IV drip at a rate of 188 mL per hour for a total of 3.7 hours. The IV has a…

A: Mole is the amount of the substance that contains the same number of particles or atoms or…

Q: In many areas, the drinking water standard for nitrate ions is 5.00 ppb. Calculate the mass, in μg,…

A:

Q: A student placed 16.0 g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve…

A: Given: Mass of glucose in the initial solution = 16.0 g. Volume of initial solution = 100 mL = 0.100…

Q: The maximum contaminant level of cyanide (CN) in drinking water as set by the the Environmental…

A: The maximum contamination level of the cyanide in the drinking water is 0.00020 g.L-1. This…

Q: "Rubbing alcohol" is a mixture that is 70.% isopropyl alcohol (C3H8O) in water.  The mixture has a…

A: A 70% solution of isopropyl alcohol (C3H8O) in water means 70 g of isopropyl alcohol (C3H8O) is…

Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A: The species that will be formed on dissociation in water will  be the major ones.

Q: Do not use chatgpt.

A: Mass = 3.5 gExplanation:Step 1:We have given:Ksp of (Cu(OH)2) = 2.2×10-20Volume of Solution =…

Q: A sample of an industrial waste water is analyzed and found to contain 48.5 ppb Co³+. How many grams…

A: Answer:ppb means parts per billion, it means mass of a specie present in 109 g of a solution. So, if…

Q: Complete and balance the following neutralization reactions.…

A: When an acid reacts with a base , salt and water are formed,  this reaction is called neutralization…

Q: g The solubility of CuBr in water at 25 °C is measured to be 0.010 Use this information to calculate…

A: Answer:In a saturated solution, no more solute can be dissolved at the given temperature and at this…

Q: QUESTION 15 →2S0:(g). The S° for each species What is AS for the following reaction? 2SO2(g) + O:(g)…

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

Q: Wetlands are able to remove nutrients and chemicals from water as the water flows through the area.…

A: Wetlands are important ecosystems that provide a range of benefits, including water filtration and…

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.