How many grams of lead is contained in 6.0 × 10^3 gram of blood if the lead content is 0.62 ppm

Q: (a) Calculate the mass percentage of NaNO3 in a solution containing 13.6 g of NaNO3 in 834 g of…

A: Given: Mass of NaNO3 = 13.6 g Mass of water (H2O) = 824 g   Calculation for mass percent of NaNO3:…

Q: How many grams of ammonium chloride (NH4Cl) are there in 575 mL of a 0.400% (m/v) solution of NH4Cl?

A: Volume=575mL m/v solution=0.400%

Q: What pressure of gas is necessary to obtain a concentration of 1.0x10-3M H2(g)?

A:

Q: Which one is an example of a standard solution? 1. Sugar solution 2. Basic solution 3. Acidic…

A: A homogeneous mixture of two or more substances is known as a solution. The species which present in…

Q: lce the table of substances and their solubilities in water to answer the following questions:…

A: Separation of mixtures based on their solubilities

Q: 8. A 250.0 mL aqueous solution contains 45.1 pg of a pesticide. Express the pesticide's…

A: we need to calculate the concentration of pesticide

Q: How much CaC l 2 , in grams, is needed to make 2.0 L ofa 3.5M solution?

A: Molarity is defined as number of moles in 1 liter of solution. The molar mass of CaCl2 is…

Q: What is the concentration in ppm of selenium if 0.020 g is found in 5.0 × 103 kg of soil?

A:

Q: How many grams of ammonium chloride (NH4Cl) are there in 545 mL of a 0.400% (m/v) solution of NH4Cl?

A: Since % (m/v) is defined as the percentage of mass of solute present in 100 mL of solution  i.e %…

Q: A 134-mg sample of Na2CO3 is dissolved in H2O to give 1.45 L of solution. What is the concentration…

A: we have to calculate the concentration of Na+ in ppm  dioctyl phthalate in ppb

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: Calculate the concentration in ppm of lead in a solution that contains 180.6 mg Pb per 1.54 kg of…

A:

Q: Dioxin is considered to be poisonous in concentrations above 2 ppb. If a lake containing 1 × 107 L…

A: Poisonous concentration = 2 ppb above We know 1ppb = 10-6 g/L Find concentration of dioxin (in g/L):…

Q: 123.0 g sample of hardwater is found to contain 0.015 g of calcium carbonate (CaCO3). What is its…

A: Given information: Mass of solute = 0.015 g Mass of solution = 123.0 g

Q: If 1000 g of water from Luboc River contains 0.0075 g of Ca2+ ion, what is the concentration in ppm…

A: Parts Per Million (ppm) is a measurement of the concentration of dilute solution.

Q: Calculate the molar concentration of solutions containing: a) 8g NaOH in 0.5 liters ; b) 29.5g NaCl…

A: [a.]  Mass of NaOH = 8g Molar mass of NaOH = 39.997 g/mol No. of moles of NaOH  = Mass / Molar mass…

Q: How many of the following are substantially soluble in hexane? KBr NH4SO4 C3H18 H20 Cl2 LICI O 2 O 3…

A: Hexane is nonpolar so nonpolar substances are substantially soluble in hexane.

Q: The concentration of Br− in a sample of seawater is 7.3 ⋅ 10−4 M. If a liter of seawater has a mass…

A:

Q: What is the concentration of magnesium bromide,

A:

Q: Calculate the number of moles of sulfuric acid that is contained in 0.250 Litros of 2 M sulfuric…

A:

Q: A 1997 g sample of ground water is found to contain 0.0207 g of arsenic. Calculate the concentration…

A: Given: Mass of sample of ground water = 1997 g  Mass of arsenic present in sample = 0.0207 g   To…

Q: According to EPA, soft water contains a maximum of 75.0 ppm CaCO3. What is the equivalent maximum…

A: pCa of calcium can be calculated from the concentration of CaCO3.

Q: Compare the two quantities based on the given condition: Solution X: 10 mL containing 0.10 M NaCl…

A: Solution X contains 10 mL 0.1 M NaCl and 0.1 M NaNO3 Na ions in X = 1 mmol from NaCl and 1 mmol from…

Q: How many grams of ammonium chloride (NH4Cl) are there in 565 mL of a 0.400% (m/v) solution of NH4Cl?

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

Q: What is the concentration, in ppm (m/m), of a sodium chloride solution prepared by adding 37.5 g of…

A: Parts per million concentration (ppm) is the amount of solute in mg dissolved in one kilogram of…

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

A:

Q: How many moles of solute particles are present in 1 L of each of the following aqueous solutions (if…

A: Given, Volume = 1 L Molarity of NaBr = 1.3 M Molarity of HNO3 = 0.065 M Formula Used:…

Q: If there are 2.0 mg of Pb+2 ions in 1.0 L of water, what is the concentration of lead in ppm? a.…

A: PPM means parts per million  So it can be calculated by mass/volume  PPM can be written in mg/L also…

Q: A solution contains 35 mg% (35 mg/100 mL) of Ca++ ions. Express this concentration in terms of…

A:

Q: calculate the numbers of g of NaCl in 5.00 * 10^2 mL of 12.0% (m/v) solution

A: The (m/v) percent concentration of a solution is defined by the number of grams of solute present in…

Q: What is the equivalent concentration of 1.41 M of Cl- in ppm

A: What is the equivalent concentration of 1.41 M of Cl- in ppm ?

Q: What volume of 0.10 M NAOH is required to neutralize 45.0 ml of 0.8M hydroiodic acid, HI? A. 36 mL…

A: given:  Molarity of NaOH=0.10M Molarity of HI=0.8M Volume of HI=45ml   To find: The Volume of NaOH

Q: A 4.55L sample of water contains 0.115 g of Na+ ions. Determine the concentration of Na+ ions in ppm…

A:

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: (2) ylubäi Q3. The important property of standard solution is It can reacting with more one of…

A: The important property of a standard solution is that its concentration always Itsremains constant…

Q: What is the boiling point of a 1.8 m Ca(NO3)2 solution?

A: The boiling temperature, Tb, of a 1.8 m Ca(NO3)2 solution is calculated as shown in equation (1)…

Q: If 1000 g of water from Angat River contains 0.0075 g of Ca2+ ion, what is the concentration in ppm…

A: Given information,    Mass of water is 1000 g    Mass of Ca2+ in 1000 g of water is 0.0075 g

Q: A solution has a concentration of 16 ppm. Which of the following is another way to describe the…

A: Concentration can be described in different ways. One those ways is ppb ( parts per billion) . ppb…

Q: How many grams of sodium carbonate must be weighed out in order to make 2.5 kg of a 35.0% (w/w)…

A: Percentage w/v gives the information about the number of grams of substance is in 100 mL of the…

Q: Express each of these concentrations in parts per million (ppm). 4.6 milligrams per kilogram of…

A: Change the given concentration to ppm?

Q: How many mL of ethyl alcohol are required to make a 2.01% (v/v) aqueous solution in a 300. mL…

A: Volume percent (v/v) % :-  The volume of solute in mL present in 100 mL of solution is defined as…

Q: A water treatment tablet contains 20.0 mg of tetraglycine hydroperiodide, 40.0% of which is…

A: Given values: Mass of tetraglycine hydroperiodide in tablet = 20.0 mg Mass percent of Iodine in…

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: Calculate the molarity of 63.0 g of HCl in 3.00 LL of an HCl solution.

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

Q: Which of the following solutions is hypertonic compared with a red blood cell? (The concentration of…

A: Hypertonic solution is the solution having more dissolved solute particles in the solution as…

Q: A solution of rubbing alcohol is 78.1 %% (v/v) isopropanol in water. How many milliliters of…

A: Volume concentration of a solution is expressed as % v/v, which stands for volume per volume. This…

Q: 1. What volume of water is needed to be mixed with 150 ml of alcohol to prepare a 25.0 % alcohol…

A: The answers to the following questions are given as:

Q: Calculate the dilution of 0.1 mL serum in 0.9 mL water.

A: Given  Volume of serum  =  0.1 mL  Volume of water   =  0.9 mL Dilution = ?

Q: of lead in ppm.

A:

Q: how much water must be added to 30 liters of a 75%  salt solution to reduce it to 15% solution? 160…

A: Given, C1 = 75% C2 = 15% Volume V1 =  30 L First we find final volume V2  and then calculate the…