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 student makes a diluted solution of caffeine by pipetting 6.0 mL of the stock caffeine solution…

A: Concentration = Mass of Solute/Volume of Solution

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: THE ACCEPTABLE LEVEL OF COPPER THAT CAN BE FOUND IN DRINKING WATER IS NO MORE THAN 1.3 ppm. A SAMPLE…

A: Given : Safe concentration of copper in drinking water < 1.3 ppm. Mass of water sample = 5000 Kg…

Q: If 50. mL of solution containing 2.0 x 103 ppm sodium ion is diluted to 4.0 L, what is the final…

A:

Q: A student wants 51.0 mL of a 1.50% saltwater solution. They only have a 5.00% stock solution. How…

A: The student require 51.0 ml of solution with concentration 1.5%. The concentration of stock is 5%…

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

A:

Q: A solution contains 6.9 x 10-6 g of  Br- per kilogram of solution.  What is this in ppb?  Answer to…

A:

Q: 5. The following graph is a calibration curve for the density of an aqueous salt solution versus…

A: The detailed solution is given below.

Q: How many milliliters of a solution t

A:

Q: Potassium bromide (KBr) has a molar mass of 119 g/mol. If I dissolve 50.2 of KBr in 1 L of water,…

A: Molarity is defined as number of mole of solute divide by volume of solution in liter

Q: solution. Which of these is true of all solutions?     They all include water. They all include…

A: A solution is formed when we add food coloring to water. We have to select most appropriate option…

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: 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: 1.00 L aqueous solution that contains 5.00 g MgCl2 was diluted to 2.00L. a. what is 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: Will a ppt of MGF2 (s) form if 95 mL of .90 M Mg2+ (aq) with 35 mL you mix of 1.1 x 10-5 MF (aq).…

A: Given that:  95ml of 0.90 M Mg2+ + 35ml of 1.1×10-5M F- Total volume = 95ml + 35ml = 130ml

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: The legal limit of blood alcohol limit in most states is 0.080 grams per 100.0 grams of blood. What…

A:

Q: In separate beakers, 100 grams of NaCIO3, KNO3, KBr and NaCl were mixed with 100 grams of water at…

A: The amount of solute present in a 100 g of solvent is known as solubility. The solubility of a…

Q: A chemist makes 0.240L of mercury(I) chloride (Hg2Cl2) working solution by adding distilled water to…

A: When water is added to an concentrated solution of any solute then number of moles of the solute…

Q: 168.1 mg of NaCl (MM=58.44 g) is dissolved in 118.06 L of water. What is the concentration of Na+…

A:

Q: Standard vinegar solutions are about 5% acetic acid by mass. What is the molarity of a 5% vinegar…

A: Vinegar is aqueous solution which contains small amount of acetic acid. Generally vinegar is used as…

Q: Seawater has a concentration of 0.60 M NaCl. The acceptable amount of NaCl in drinking water is…

A: Moles of NaCl in 1L of 0.6M water = Volume × molarity = 0.06 moles.Mass of sodium = Moles × molar…

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: The EPA's secondary standards for contaminants that may cause cosmetic or aesthetic effects in…

A: Calculate the concentration of contaminant using the formula given below.Convert grams to milligrams

Q: the concentration in parts per billion (ppb)

A: The environmental protection agency (EPA) has set the legal limit, known as the maximum contaminant…

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 typical househol vinegar contains 5.00% v/v acetic acid. If density of acetic acid is 1.05 g/mL,…

A:

Q: The maximum safe level of a chemical in drinking water is determined to be 52 μg per kg of water.…

A:

Q: Calculate the volume in milliliters of a 2.4 mol/L iron(II) bromide solution that contains 475. mmol…

A:

Q: ion of sodium (Na+) in a sample is 0.1 mM. What is the concentr 23 g/mol

A:

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

A:

Q: The maximum safe level of each compound in drinking water is given below. Convert each value to…

A:

Q: A sample of water is found to contain 0.012 ppm of Pb ions. Calculate the mass of lead ions per…

A:

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

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: concentration

A:

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: 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: A solution has a concentration of 1.24g/L. What is its concentration in ppm?

A: Given the concentration of a solution is: 1.24g/L. What is its concentration in ppm?

Q: Which chemical or functional group helps a molecule dissolve in water?  NH2 (amino group) fats…

A: Water is a polar solvent and it can dissolve an ionic or polar covalent compound.

Q: Give one example each of a solid solution, a liquid solution, and a gaseous solution. Solid…

A: The homogenous mixture of solute and solvent is termed as solution.

Q: A diluted solution of sulfuric acis , H2SO4, has a density of 1.523 g/mL. The solution contains 50.0…

A: We will first calculate the number of moles of solute, then volume of solution. Finally find…

Q: llowing questions based on this information.  Each question is a separate question.    a.  If…

A: A semipermeable membrane allow only solvent molecules to pass through itself.Thus a  semipermeable…