The level of mercury in fish is 0.040μg/mL (w/v), that is equivalent to   Group of answer choices 0.040 ppm 4.0 ppb 0.040 mg/mL 4.0 mg/L

Q: A substance has a solubility of 12.5 g per 100 mL of solvent at 100°C and 2.45 g per 100 mL solvent…

A: Given, At 100°C Solubility of of substance is 12.5 g per 100 mL of solvent At 10°C Solubility of of…

Q: A solution contains 4.1 x 10-4 g of Cl-1 per kilogram of solution.  What is this in ppm?

A:

Q: The blood serum acetone for a person  is determined to be 11.1 mg of acetone per 100 mL of serum.…

A:

Q: A student dissolves 11. g of glucose (C6H1206) in 175. mL of a solvent with a density of 0.94 g/mL.…

A:

Q: 0.5 mg/0.25 mg • 1ml =

A: First, we need to do the divison followed by multiplication.

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: Each row of the table below describes an aqueous solution at about 25 °C. Complete the table. That…

A:

Q: You make a solution using a solid solute (total volume 100mL). The molar mass of the solute is 110…

A: To calculate the molarity of the solution, we need to know how many moles of the solute are…

Q: A 378.4 mL sample of water contains 0.038 g of NaCl. Calculate the concentration in ppm.…

A: Parts per million is a concentration term.

Q: How many milliliters of a solution t

A:

Q: What volume (in L) of concentrated potassium hydroxide solution (21.5 mol/L) is required to prepare…

A: This is a dilution problem. Here the concentration of concentrated KOH solution is given. We have to…

Q: A student prepares a 0.28 mM aqueous solution of propionic acid (C₂H₂CO₂H). Calculate the fraction…

A: Propionic acid is a weak acid. It doesn't completely dissociate in an aqueous solution to form…

Q: A solution of KClO3 contains 10 grams of solute dissolved in 100 grans of water. At 20 degrees…

A: Solute and solvent together constitute the solution. Solutions are of two types. Homogenous and…

Q: QUESTION 16 The solubility of an unknown salt is shown in the graph. If a solution is unsaturated at…

A: As we can see on increasing temperature ,the solubility of salt is increasing , thus there is a…

Q: A sample of seawater contains 1.9 g of calcium ions in 5364 kg of solution. What is the calcium ion…

A: Given  Mass of solute (calcium ions) = 1.9 g Mass of solution = 5364 kg = 5346×103 g Concentration…

Q: Which of the following procedures is the most suitable for preparing 500. mL of a 0.120 M aqueous…

A: The volume of the solution is = 500 mL The molarity of the solution is = 0.120 M The molar mass of…

Q: What is the molarity of an aqueous solution that is 5.50% by mass oxalic acid (C₂H₂O) and the…

A:

Q: 1. A gas has a volume of 300 mL at 300 mm Hg. What will its volume be if the pressure is changed to…

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

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: Brz/H,0 H = В + С

A:

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: 8. You are asked to make 100 ml of solution containing the following: Component 1 mM Tris (stock…

A: To calculate the dilution factor, required to prepare  (i) 100 mL of 1mM tris solution from 1 M tris…

Q: You want to prepare 450.0 mL of a 145 ppm K+ ion solution.  The density of the solution is 1.01…

A: 1 mg solute per 1 kg of solution is known as 1 ppm.

Q: 3 3.500 mM 4 0.136 mM 5 1.673 mM Hints & Tips Take the 1/100 dilution factor into…

A:

Q: How many liters of 1.0 mM saline solution can one make from 1.0 deciliter of normal saline (0.154…

A:

Q: A 15 meter by 12 meter pool of water has a depth of 3.0 meters. What mass of silver ion is present…

A: Parts per million (PPM) is unit of measurement used in expressing very dilute concentration level of…

Q: tudent prepares a 0.18M aqueous solution of butanoic acid (C3H₂CO₂H). Calculate the fraction of…

A: Concentration of butanoic acid = 0.18 M From table , Ka of butanoic acid =

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: 129.4 mg of NaCl (MM=58.44 g) is dissolved in 108.43 L of water. What is the concentration of Na+…

A: We have 129.4 mg of NaCl (MM=58.44 g) is dissolved in 108.43 L of water.  We've to calculate the…

Q: Part1: 1.05×10-1  m glucose solution made by dissolving the glucose in 100.0 kg of water: ____ mol…

A:

Q: The blood serum acetone for a person  is determined to be 18.7 mg of acetone per 100 mL of serum.…

A:

Q: 114.7 mg of NaCl (MM=58.44 g) is dissolved in 246.42 L of water. What is the concentration of Na+…

A: A numerical problem based on concept of solutions, which is to be accomplished.