A water sample contains 300 mg of NaCl in 500 mL of solution. Calculate the parts per million of sodium.

Q: the percentage by mass of water in a sample of dog food

A: In this we have to explain the percentage by mass of water in a sample of dog food  and draw a flow…

Q: A pharamacist prepares a solution by adding 3.00 mg of sodium ions to 114 g of water. How many ppm…

A: Number of moles of a chemical compound is used to measure the amount of the compound in the given…

Q: Consider a 1.0 mol/L HCN(aq) solution. What properties would this solution have? It would turn…

A: We have given that 1 mol/L HCN acid

Q: What mass of hexachloroform must be added to 5.69 grams of chloroform to give a solution with a…

A:

Q: In the laboratory you are asked to make a 0.434 m calcium iodide solution using 375 grams of water.…

A: Given information,   0.434 m calcium iodide solution   Mass of water = 375 grams = 0.375 kg

Q: 100ml of 1M by adding ml of 2006 alugo00 ato wnte

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Q: 20 grams of NaClare dissolved in 0.8 L of water. What volume of this solution would be needed to…

A: 20 grams of NaClare dissolved in 0.8 L of water. What volume of this solution would be needed to…

Q: Lab analysis reveals that a water sample has a concentration of 2.66 × 10‑3 M Ca2+. Assuming a…

A: Given, 2.66 × 10‑3 M Ca2+ density = 1.01 g/mL

Q: A student dissolves 7.9 g of styrene (CHg) i in 325. mL of a solvent with a density of 0.84 g/mL.…

A: We have been given volume of solvent = 325mL, density of solvent= 0.84g/mL and mass of styrene =…

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 solution contains 1.1 mg of Cu2+ per 0.50 kg solution. Calculate the concentration in ppm.  Enter…

A: ppm concentration used for such Solutions, in which mass of Solute very less as compared to total…

Q: Percent by Mass mass of solute_ × 100 mass of solution Percent by mass equals the mass of the solute…

A: Given : Mass of solute i.e DTN = 25 mg And mass of solution = 1000.0 mg

Q: A solution of anhydrous dextrose (m.w. 180) contains 25 g in 500 mL of water. Calculate the freezing…

A: Given, mass of anhydrous dextrose = 25 g Volume of water = 500 mL Freezing point of the solution…

Q: A solution is prepared by mixing 694.0 mL of ethanol with 506.0 mL of water. The molarity of ethanol…

A: Given that the solution is made by mixing 694.0 mL of ethanol and 506.0 mL of water.

Q: How many grams of NaCl are present in 1263 ml of a 1.09 M solution?

A: Given , Volume of NaCl solution =1263 ml Molarity of solution = 1.09 M

Q: Consider a solution prepared by combining 0.398 moles of K4Fe(CN)6 with 195. g water. What is the…

A: Freezing point depression is a colligative property. It depends on the concentration of solute…

Q: Calculate the amount of water that must be added to each of the following substances to produce the…

A: The question is based on the concept of solutions. A solution is made by adding solute and solvent.…

Q: An aqueous solution of HNO3 has a molarity of 1.25 M. The density of the solution is 1.13 g/mL.…

A: Given :-  molarity of solution = 1.25 M  density of solution = 1.13 g/mL  molar mass of HNO3 =…

Q: A student dissolves 15. g of phenol (CH5OH)i in 300. mL of a solvent with a density of 0.81 g/mL.…

A: Given,mass of phenol ( C6H5OH ) = 15. gvolume of solvent = 300. mLdensity of solvent = 0.81 g/mL

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: 1.00 L aqueous solution that contains 5.00 g MgCl2 was diluted to 2.00L. a. what is the…

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: A solution is prepared by dissolving 2.00 g of HNO3 in water to form a 1.00 L solution. The solution…

A: ppm can be defined as either 1mg of solute by 1 Kg of solution or ppm is also equals to 1mg of…

Q: 25 litres of a 1.0 M solution of bromine in dichloromethane. determine the volume of each liquid

A: Given: Concentration of bromine in solution = 1.0 M And volume of solution = 25 L.

Q: Which solution is placed inside the buret? NaOH O vinegar O water OKHP

A: Which solution is placed inside the buret?

Q: How many moles of NaOH are contained in 660.0 mL of 0.235 M NaOH solution. Use 3 significant…

A: Given : Concentration of NaOH = 0.235 M And volume of NaOH solution = 660.0 mL

Q: An experiment calls for 225 mL of 0.330 MNaCl solution. What mass of NaCl is required? Mass What…

A: Given - Molarity of NaCl solution = 0.330 M Volume of solution = 225 mL = 0.225 L a) First determine…

Q: You have a 50% NaOH solution. The density of the solution is 1.56 g/mL. The formula weight of NaOH…

A: Molarity of a solution is defined as the moles of solute present in one litre of solution.

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: A sample of seawater contains 2.6 g of calcium ions in 5826 kg of solution. What is the calcium ion…

A: Given,  Mass of calcium ion = 2.6 g  Mass of solution = 5826 kg                                 =…

Q: solution is prepared by mixing 7.05 grams of benzene (C6H6) in water to create a solution total…

A: Mass of benzene = 7.05 g Volume of solution = 100 mL = 0.1 L Molar mass of benzene= 78.11 g/mol

Q: 38. A public water supply was found to contain 1 part per billion (ppb) by mass chloroform, CHCI 3.…

A:

Q: 25 grams of NaCl is dissolved in 175 g of water. Calculate the percent by weight of NaCl in the…

A: We can calculate the weight percentage of NaCl in the solution by using the equation.   Weight % for…

Q: The density of concentrated ammonia, which is 28.0% w/w NH3, is 0.899 g/mL. What volume of this…

A:

Q: In separate containers, a scientist has an excess of 30% and 80% butanol solution. How many…

A: Mass percentage is defined as the quantity of solute present in 100 grams of solution.

Q: The solubility of NH4Cl is 77.3 g per 100 g of water at 100 C and 37.2 g at 20 C. The mass of NH4Cl…

A: From the given solubility number we can figure out the amount of NH4Cl crystallize out.

Q: The concentration of chloride ions in a sample solution is 98 ppb. What is the mass in mg of…

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

A:

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

A:

Q: What is the molarity of a solution containing 15g sulphuric acid in 150 ml solution? What is the…

A: Mass of sulphuric acid = 15 g  Volume of solution = 150 ml  Molarity of the solution = ?  Normality…

Q: An aqueous solution contains 60 µM salicylaldehyde (C,H6O2) and 330 ppm dichloroacetic acid…

A: From the given concentration of components and total volume of solution we can determine the mass of…

Q: A laboratory technician purchased 250. mL of 15.4 mol/L nitric acid. She uses this concentrated…

A: Given that : Initial volume (V1) = 250 mL = 0.25 L Initial concentration (M1) = 15.4 mol/L Final…

Q: 4. Hexachlorophene is used as a disinfectant in germicidal soaps. What mass of hexachlorophene ( M =…

A: Given :

Q: 1. Calculate the mass (in grams) of magnesium chloride (MgCl) that would be needed to prepare 250 ml…

A: Given, Volume of the solution = 250 ml Density of the solution = 1.1 g/ml Solution percent = 20 %…

Q: How many grams of calcium chloride (CaCl2) are in a 1 M calcium chloride solution?

A: