A 10.00 gram sample of stream water was found to contain 2.00x10-6 g lead. What is that concentration in ppm (parts per million)?

Q: The solubility of nitrogen gas is 1.90 mL/dL of blood at 1.00 atm.What is the solubility of nitrogen…

A: The explanation is given below-

Q: The solubility of aspirin in water at 37 oC (normal temperature of the human body) is 10 mg/mL.…

A: The solubility of aspirin is given as 10mg per milliliters. This means that 1 milliliter of water is…

Q: A 182-mg sample of Na2CO3 is dissolved in H2O to give 1.70L of solution. What is the concentration…

A: Here we have: mass of Na2CO3    = 182 mg volume of solution = 1.70 L

Q: Explain how adding salt in cooking pasta relate to colligative properties.

A:

Q: What is the volume of the solute dissolved in 100mL of solution in a 22%V/V solution?

A: Given,  the volume of the solute dissolved in 100mL of solution in a 22%V/V solution is :

Q: Glucose makes up about 0.10% by mass of human blood. Ca alate concentration in ppm

A: Here the question ask to calculate the concentration in the unit ppm that is parts per million. ppm…

Q: Assuming 100% dissociation, 2.0 mol of KBr dissolved in 500 g of water have the same colligative…

A:

Q: The maximum allowable concentration of lead in drinking water is 9.0 ppb. How many grams of lead are…

A: Volume of solution = volume of water                                 = 60 m3 = 60 x 106 mL

Q: 2). Helium gas, 3.0 x 10-4 g, is dissolved in 200 g of solution. Express this concentration in parts…

A: Parts per million (ppm) = mass of solute X 106/ mass of solution

Q: The number of mL of alcohol in 275 mL of 11.5% (v/v) solution

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Q: The lethal dosage of potassium cyanide in rats is 12mg per kilogram body weight. What is this…

A:

Q: What is the mass of lead in 7.8⋅10^3  g of blood if the lead content is 0.40  ppm?

A: ppm, i.e., parts per million is defined as the mass of a solute (in milli gram) present in 1 L of…

Q: The maximum contaminant level of fluoride (F−)(F−) in drinking water as set by the the Environmental…

A: Parts per million is abbreviated as ppm and is expressed as mg/L. 1 ppm=mgL

Q: Average Molarity of Cl: 1/1oui Calculated ppm of CF: mg/L. (multiply the above average molarity by…

A: Ppm of Cl- can be calculated using the given formula .

Q: Multiple Choice 1. Salt or sodium chloride solution is prepared using distilled water (assume…

A: As per our guidelines, we are supposed to answer only one question. Kindly repost other question as…

Q: What is Brownian motion, and what causes it?

A:

Q: 3. In the United States, drinking water cannot contain more than 5 x 10-8 gram of arsenic per gram…

A:

Q: A 2.6 g sample of plant tissue was analyzed and found to contain 3.6 μg zinc. What is the…

A:

Q: A pill weighing 325 mg contains the following. What is the concentration of each in ppm ? A. 12.5 mg…

A: Part a:Given:12.5 mg Captopril and mass of pill = 325 mgFormula to calculate concentration in…

Q: How many mg of mercury are contained in a 150. g sample of tissue that has a mercury concentration…

A: Given :  mass of sample of tissue = 150. g  concentration of mercury in sample = 0.20 ppb  To…

Q: How many lbs of glycerol, C3H8O3, are present in 30.0 gallons of a 2.65 M solution?

A: Given: Volume of solution = 30.0 gallons Molarity of solution = 2.65 M Known: Molar mass of glycerol…

Q: W.H.2;How much Cl ions are contained in 5 L solution 28 ppm? K

A:

Q: A 3.0 kg sample of pond water contains 3.6 mg of a pollutant. What is the concentration of this…

A: Given information,       3.0 kg sample of pond water contains 3.6 mg of a pollutant.

Q: If a 750 mL sample of drinking water has lead concentration of 28 ppm, how many grams of lead are in…

A:

Q: A solution of SO2 in water contains 0.00023 g of SO2 per liter of solution. What is the…

A: Given: [SO2] is 0.00023 g/L.

Q: If tap water contains 2.35 x 10^-3 M CaCO3, calculate the concentration of CaCO3 in ppm.

A: In this question, we want to determine the Concentration of CaCO3 in ppm  How we can convert…

Q: A commercial pesticide formulation contains 1.0 g deltametrin in 1L solution. what is its…

A: Given : Mass of solute = 1.0 g Mass of solution = 1 L

Q: 6. What is the concentration of her solution in parts per million? ( 5Tbsp. of NaCIO (sodium…

A:

Q: How much NaOH (in g) will be needed to form a 1000L 100 ppm solution? a. 10 b. 100 c. 1000 d. 10000

A:

Q: Question attached

A: Mass of blood = 6000 gms Given that, lead content of that sample of blood = 0.62 ppm So, Mass of…

Q: concentration

A:

Q: A 2.25-mg sample of dioctyl phthalate (C24H38O4), a plasticizer, is dissolved in H2O to give 630. mL…

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

Q: The maximum concentration of polychlorinated biphenyls (PCBs) in drinking water that is allowed by…

A: The ppb concentration is the ratio between mass of solute to the solution volume, and final value…

Q: In New Zealand, the legal blood alcohol limit is 400 ug of alcohol per 1 L of breath. What is this…

A: Ppb is an unit of concentration, where it is denoted as Ppb = (mass of solute in gm / volume of…

Q: What is the concentration in ppb of lead in a chemical spill, if there is 0.030 mg in 1.6kg of soil?

A: The concentration in ppb is defined as

Q: A solution of lead sulfate (PbSO4) contains 0.425 g of lead sulfate in 100.0 g of water.  What is…

A: Given that : Mass of PbSO4 = 0.425 g Mass of water = 100.0g Total mass of the solution = 0.425g +…

Q: concentration in ppm?

A:

Q: 70 g of HCl is dissolved in 200 mL of water at 60° C? what type of solution is this?

A:

Q: A solution contains 11 ppb of toluene. This means that ___.

A: The ppb stands for parts per billion.  It is a unit used to measure a very small amount of quantity.…

Q: A sample of 250.0 g of water is found to contain 148 mg Cd. What is this concentration in ppm?

A: Given that, We have a sample which contains 148 mg Cd in 250 g of water. We have to determine the…

Q: According to the EPA, when the concentration of lead in tap water reaches 15 ppb, certain remedial…

A: Ppb is parts per billion Ppm is parts per million 1000 ppb = 1 ppm 1 ppb        = 0.001 ppm 15 ppb…

Q: The concentration of gold in seawater has been reported tobe between 5 ppt (parts per trillion) and…

A: The concentration of gold in seawater, The volume of seawater is -

Q: Industrial wastewater contains 3.60 ppb cadmium, Cd2+. How many mg of Cd2+ could be recovered from a…

A:

Q: In 1 litre Stock copper solution is prepared by weighting 60.6 mg of CuSO4.5H2O. What is the…

A:

Q: How many grams of glucose are present in 750 mLs of a 5.0 % m/v glucose solution?

A: Given, 750 mLs of a 5.0 % m/v glucose solution

Q: (Q65) Calculate the vapor pressure (in torr) at 30°C of a solution containing 155.1 grams of the…

A:

Q: . A true solution is homogenous and said to have only one phase. What is a “phase”? 2. Do you think…

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

Q: 2. Determine the temperature at which 110 grams of potassium nitrate (KNO3) will dissolve in 100…

A: Given,  2. The temperature at which 110 g of KNO3 dissolved in 100 g of water is:

Q: An industrial wastewater contains 3.70 ppb cadmium, Cd2+. How many mg of Cd2+ could be recovered…

A: Since ppb is defined as the  ppb = mass of solute X 109 / ( mass of water ) mass of water given =…