2. A solution is prepared by dissolving 10.44 g of NaCl in enough water to make 500.0 mL of solution. The density of the resulting solution is 1.018 g/mL. Molar mass NaCl is 58.445 g/mol What is the concentration of NaCl in this solution in parts per million (ppm)?

Q: Percent by definition is parts per hundred. % (w/w) = (mass of solute/mass of solution) x 100. For…

A: Given information, 0.080 g  alcohol present in 100 ml blood  We have to calculate parts per…

Q: One brand of laundry bleach is an aqueous solution containing 4.00% sodium hypochlorite (NaOCl) by…

A: Given that: NaOCl solution = 4% by mass (4 g NaOCl/100 g solution) x (1 mol NaOCl/  74.44 g NaOCl) =…

Q: What is a colligative property?   A. A property that depends on the number of particles in…

A: The correct option is (A)  Colligative property is the property which depends on  the number of…

Q: What volume, in mL, of 2.52 M HCl is required to prepare 176.5 mL of a 0.449 M HCl solution?

A: Given: M1= 0.449 M M2= 2,52 M V1= 176.5 mL V2= ?

Q: A 10 % solution of NaCl means that in 100 grams of solution there is? a. 5.85 g NaCl b. 58.5 g…

A: A multiple choice question based on percentage of solution, which is to be accomplished.

Q: In order to maintain a sodium chloride (NaCl)concentration similar to ocean water, an aquarium must…

A:

Q: Percent by definition is parts per hundred. % (w/w) = (mass of solute/mass of solution) x 100. For…

A: Given that, Limit of alcohol in blood = 0.080 g per 100 g

Q: 2. An aqueous solution becomes cold when a solid is dissolved in the water. What does the decrease…

A: Answer - The correct option is (a) the process is endothermic Explanation - According to the…

Q: What volume, in mL, of 2.52 M HCl is required to prepare 176.5 mL of a 0.449 M HCl solution? a) 156…

A: Since the moles of HCl in the 2.52 M HCl solution taken should be the final moles of HCl in 0.449 M…

Q: What volume of 0.48 M NaCl solution contains 175.6 grams of NaCl?

A: First, calculate no of moles of NaCl No of moles of NaCl = Mass/Molar mass = 175.6g/(58.44gmol-1) =…

Q: Consider a solution prepared by adding 2.70 grams acetic acid to 122.8 grams of water :  a. what is…

A: Mass percentage of a component is calculated by dividing the mass of the component with the total…

Q: What volume of 0.73 M NaCl solution contains 145.9 grams of NaCI?

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: A 0.119 M MgCO3 solution is made from 6.09 g of solute? What is the volume of the solution?

A: Given that,Mass of magnesium carbonate =6.09gMolar mass of magnesium carbonate=84.3139g/mole

Q: What is the mass % of ethylene glycol in a 1.89 M solution of ethylene glycol (MM = 62.07 g/mol) in…

A:

Q: A 230. -mL sample of a ‍0.275 M cacl2 solution is left on a hot plate overnight; the following…

A: Molarity equation  The equation that relates two solution with same number of moles of solute is…

Q: a) Determine the mass of ammonium nitrate dissolved in 750 mL of a 3.82 mol/L solution.…

A: Given: Initial volume V1= 750mL= 0.75L Final volume V2= 5.0L Molarity M1 = 3.82M

Q: Commercial hydrochloric acid (HCl) has a concentration of 12.1 M. What volume of the commercial HCl…

A: Since we know the final volume and concentration of the HCl solution as 250 ml and 3 M Hence final…

Q: A solution is prepared with 5.0 g of HCl and 195.0 g of H2O. The HCl solution has a density of 1.49…

A: The number of moles for a given chemical species refers to the ratio of mass of the species to that…

Q: How many milligrams per liter are equivalent to a 1.2% solution of a substance in water?

A: The answer is given below-

Q: a chemist wants to make 5.5l of a 0.300 M CaCl2 solution. What mass of CaCl2 (in g)  should the…

A: Given: Volume of solution = 5.5 L And concentration of CaCl2 = 0.300 M

Q: A chemist needs exactly 2 moles of NaOH to make a solution. What mass of NaOH must be used

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: Calculate the percent mass per volume, % (m/v), of a dextrose solution containing 7.00 g of dextrose…

A: A dextrose solution containing 7.00 g of dextrose in 3.00 × 102 mL of solution .We have to…

Q: A student prepares a solution of potassium chloride by dissolving 90.6 g of KCI into enough water to…

A: Given data,     Mass of KCl =90.6 g  Volume of solution =1 L Molar mass of KCl = (39 + 35.5)g/mol =…

Q: What volume of a 1.00 M stock solution of glucose must be used to make 500.0 mL of a 1.75*10-2 M…

A: The equation will be:

Q: 3. A 25.00 mL sample of a 88 ppb aqueous stock solution of Nal is evaporated to a final volume of…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: A chemist needs 13.81 mL of 1.458 M NaCl. What volume in mL of 3.767 M NaCl must be diluted in water…

A: Moles before dilution and after dilution ae same as per mole concept.

Q: 3. What is the mass percent of an aqueous solution prepared by dissolving 12.0 g of solute into 40.0…

A: SOL (3) Given : Mass of solute=12.0 g Mass of solvent( water) =40.0 g To calculate the mass percent.…

Q: Consider a solution prepared by adding 25.0 g NaCl to 125.0 g of water. a. What is the percent by…

A: Percent by mass is given by, Mass percentage = Mass of the soluteMass of the solution×100

Q: The molarity of 25.0 % by mass HCl solution is _______. The density of the HCl solution is 1.20…

A: Given: The mass % of HCl solution = 25 %. The density of solution of HCl,(d) = 1.2 g/mL.

Q: A solution is prepared by mixing 703 mL of ethanol with 697 mL of water. The molarity of ethanol in…

A: The number of moles of solute to the volume of solution in liters is known as molarity.

Q: The solubility of the hydroxide of a hypothetical metal, Me, in water is 131.34 g MeOH per 44.13 mL…

A: Given the solubility of MeOH in water = 131.34 g MeOH per 44.13 mL water Hence we have to use…

Q: 2.56 g NaCl is used to prepare 125 mL of solution. What is molarity of this solution?

A:

Q: What mass (in grams) of NaCl is needed to create 10.00 mL of a 0.10 M solution? mass of NaCl = What…

A:

Q: The solubility of the hydroxide of a hypothetical metal, Me, in water is 94.89 g MeOH per 64.88 mL…

A: The amount of water is needed 42.82 mL.

Q: How many grams of dextrose are needed to make 615 mL of a 33.0 % (w/v) dextrose solution? Note that…

A: Given that : Volume of solution = 615 mL of 33.0% (w/v)  Mass of dextrose = ?

Q: A student dissolved 4.52g of Mg(NO3) 2(s) in enough water to make 400ml of solution. What is the…

A: Given, mass of Mg(NO3)2 = 4.52 g Volume of the solution = 400 mL = 0.4 L Concentration of the…

Q: A sample of drinking water is determined to be contaminated with dioxin. The mass percentage of…

A: Given: Mass percentage of dioxin = 0.085% Volume of solution = 2.5 L Density of solution = 1.00 g/mL

Q: How many grams of dextrose are needed to make 725 mL of a 34.0% (w/v) dextrose solution? Note that…

A: Given : Volume required = 725 ml w/v % = 34%

Q: Solubility is the concentration of a saturated solution at a specific a) amount b) pressure c)…

A: The answer to the following question is-

Q: Percent by volume (% v/v) of a substance is a term that represents the concentration of the…

A: In this case, we can use the equation of dilution. That is, C1V1 = C2V2 Where, C1 = concentration of…

Q: 1. What is the mass of the solution when 50.0 mL of 1.0 M HCI solution is mixed with 50.0 mL of 1.0…

A: When we mix 50.0 mL of HCl solution with 50.0 mL of NaOH solution, 100.0 mL of mixture solution is…

Q: 25.8 mL of a 5.3 % v/v solution of calcium nitrate is used to prepare a solution with a total volume…

A: % v/v = volume of solutevolume of solution x 100 Given that,  5.3% of v/v solution will contain 5.3…

Q: 1. What are the parts of a solution? A. water and salt B. solution and solute C. solvent and solute…

A: The homogeneous mixture of two or more substances is known as a solution.

Q: In the laboratory you dilute 2.56 mL of a concentrated 12.0 M hydrochloric acid solution to a total…

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: 28. The recommended concentration of chlorine in swimming pools is 2.00 – 4.00 ppm. What mass of…

A:

Q: What mass, in grams, of sodium bicarbonate are contained in 0.550 L of a 2.15 M solution?…

A: Given that,volume of the solution = 0.550 L molarity of the solution = 2.15 M = 2.15 mol/L moles of…

Q: Upon adding 275 mL of water to 275 mL of a 0.310 M aqueous solution of NaOH, the concentration of…

A: HALF Concentration = Mass/Volume As the mass of NaOH, or moles of NaOH in solution does not changes…