What is the concentration of zinc in the plant in ppm? In ppb?

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: Volume = area x depth  Given,  15 meter by 12-meter pool, area = (15x12) m2 And depth = 2.2 m  Now,…

Q: What is the concentration in ppb of Polychlorinated biphenyl's (PCB) in a chemical spill, if there…

A: Unit conversion :  1 kg = 106 mg ppb = ( mass of the component/mass of total sample) * 109

Q: What is the concentration in ppm of a 3.7 L solution (d = 1.00 g/mL) containing 4.21x10-4g of the…

A: Answer is a) 0.114 ppm

Q: Potassium ion concentration in the interstitial fluid is 5 mEq/L. What milligrams percent…

A: The term milliequivalent refers to the one thousandth of a chemical equivalent (equivalent weight)…

Q: Trihalomethanes have a legal limit of 80 ppb in public drinking water. If a particular public…

A: Parts per billion ( ppb ) : it is defined as number of parts by volume of a component which is…

Q: A 50.0-g sample of industrial wastewater was determined to contain 0.48 mg of mercury. Express the…

A: GIVEN: Mass of sample=50.0g  Mass of mercury= 0.48 * 10-3g To Solve: mercury concentration of the…

Q: (d) A sample contains a mixture of ammonium carbonate (NH4)2CO3, sodium carbonate Na2CO3, and sodium…

A: #(d):  The order of stability of the three given salt is: (NH4)2CO3(s) < Na2CO3(s) < NaCl(s)…

Q: What is the osmotic pressure of 2.0g of sucrose (C12H22O11) dissolved in 100-ml of water at 30°C?

A: Osmotic pressure is the minimum pressure which needs to be applied to a solution to prevent the…

Q: The normal creatinine levels in adults are 0.6-1.2 mg/dL. If a 5.0-mL sample contains 45 μg of…

A: Given that,The normal range of creatinine level in adults is 0.6 to 1.2 mg/dL

Q: Drinking too much plain water in a short period of time can result in water intoxication. As a…

A: Introduction: If plasma will become hypotonic what will happen to blood cells.

Q: The phenol concentration in a water solution is 20 ppm and the density of this solution is 1.1…

A: In this question density does not have any use because it is given to determine the ppm in term of…

Q: The concentration of a drug additive in an animal feed is 12.5 ppm. How many milligrams of the drug…

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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 one pint bottle of toluene is broken in a room 8'x20'x10'. Given static conditions, what is the…

A: Given: Dimensions of room = 8' × 20' × 10' And volume of toluene = 1 pint

Q: What is the concentration in ppm of DDT in each of the following? a. 25 µgram in 1.0 kg breast milk…

A: a) 25 µgram in 1.0 kg breast milk First convert the given micrograms to g. g=25 μg DDT1 g1000000…

Q: The concentration of aqueous solution of urea (CN2H4O) is 2.577 m. Find the concentration of the…

A: The moles of solute per  kilograms of solvent is known as molality (m) The number of milligrams of…

Q: What is the solubility of HgI2 in water? The Ksp for HgI2 is 4.0X10^-29

A: Ksp formula  used HgI2 = Hg2+ + 2I-               S             2S

Q: A certain amount of benzene (D=0.985 g/ml) was dissolved in 0.5 kg CCl4 to produce a solution…

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: 2.20-L sample of water contains 165.0 ug of lead. calculate the concentration of lead in ppm

A: PPm  generally known as parts per million,which is unit to measure the environmental pollutants.

Q: What is the concentration in ppm of DDT for 4 x 10^-4 g in 2.0kg of fish tissue?

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Q: In the phosphate analysis of a wastewater sample, 30.00 mL of the original sample was taken and…

A:

Q: A water sample contained the following impurities in ppm: CaCO3 = 20 CaSO4 = 13.6 MgCO3 = 8.4 MgCl2…

A:

Q: From the following formula of progesterone spray  calculate the quantity of each ingredient needed…

A: A numerical problem based on solution that is to be accomplished.

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

A: The question is based on concepts of dimensional analysis. we have to systematically calculate mass…

Q: A 10.0-gram sample of stream water was found to contain 5.00x10-6 g lead.  What is that…

A: ppm is a unit which is used to represent the concentration at very small  level. 1ppm =1mg/L

Q: What does "like dissolves like" mean? non-polar solvents dissolve in polar solutes polar solutes…

A: General principle of solubility The solubility of  solute in the various solvent is analyzed and it…

Q: O What is the concentration in ppm of a 3.70 L solution (d 1.00 g/mL) containing 4.21 x 10-7 kg of…

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

Q: An erythrocyte placed in pure water will lyse, but bacteria usually won’t. This is because…

A: An erythrocyte placed in pure water will lyse, but bacteria usually won’t.

Q: Mrs. Garner wants to consume at least 0.18 mg of folic acid every day. If one mL of orange juice…

A:

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

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

Q: Fish can tolerate copper ion concentrations up to 8 ppb. Dr. Stone measured her pond water and the…

A: PPB is part per billion is 1 g of substance in 1 billion L of water So, 1 ppb = 10-9 M

Q: A 1295 mL sample of drinking water was found to contain 91.5 mg of lead. Calculate the concentration…

A:

Q: A 0.1ml serum sample was analyzed for glucose content and found to contain 250 ng. The concentration…

A: Given that:  Volume of serum sample = 0.1ml =0.1ml×1L/1000ml = 10-4L Mass of glucose = 250ng =…

Q: Glycerin USP( specific gravity 1.25) costs $ 54.25 per pound .if students in a dispensing laboratory…

A: Here the cost of glycerine is $ 54.25 per pound. We have to determine cost of 1 pint glycerine .

Q: What concentration of silver nitrate (in ppm) is present in 750 grams of water that contains 9.0 x…

A: Concentration is defined as the number of moles of solute present in per liter of solution. But the…

Q: What is the solubility of Cd3(POa)2 in water? (Ksp of Cd3(PO4)2 is 2.5 x 10-39)

A: The mathematical expression for solubility (s) or molar solubility of Cd3(PO4)2 is shown below.…

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

A:

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: what is the volume (in L) of amoxicillin syrup 125 mg/ 5mL required by a child prescribed with 250…

A: The amount of amoxicillin syrup given per 5 mL is 125 mg. The amount of amoxicillin given to child…

Q: Calculate the solubility of BaSO4 in water at 25°C. You'll find Ksp data in the ALEKS Data tab.…

A: Molar solubility (mol/L)is defined as the number of moles of solute dissolved in 1 L of saturated…

Q: For which pair of compounds can the Ksp values be directly compared to determine which compound is…

A: The solubility product constant (Ksp) describes the equilibrium between a solid and its constituent…

Q: convert glucose concentration in g/100ml from 0.144mM

A: The given information is: Concentration of Glucose = 0.144mM Converting mM to M: 1 mM = 0.001 M…

Q: A Pasig river water sample was analyzed by the students and found to have 25.2 milligrams of lead in…

A: Concentration of any solution can be calculated in terms of ppm. ppm stands for parts per million…

Q: For each solution given, state whether it is isotonic, hypotonic or hypertonic. a) 5% glucose b) 10%…

A: Isotonic solution is one whose concentration is 0.9% which is same as present in cells of human…

Q: Convert the experimental glucose concentration from mM (millimolar) to g/100 mL.

A: Conversion is given below

Q: A baker uses 1.5 tsp of vanilla extract in each cake. How much vanilla extract in liters should the…

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Q: What is the ppm concentration of calcium in a 15 g soil sample if it is found that there is 98…

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Q: In the phosphate analysis of a wastewater sample, 30.00 mL of the original sample was taken and…

A:

Q: How many L of a 9.4% (m/v) sample of salt water contain 22.4 g of salt?

A: