Calculate the mass percent (m/m) of a Sodium hydroxide solution that has a mass of 72.6 grams and contains 18.1 grams of sodium hydroxide. (pay attention to significant figures).

Q: Calculate the freezing point and boiling point of a solution containing 10.0 g of naphthalene…

A: Given information: Mass of naphthalene = 10.0 g Volume of benzene = 100.0 mL Density of benzene =…

Q: what is the percent by mass of a solution made by dissolving 55.0 g KCL in 125g of water?

A:

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

A:

Q: How many grams of a solution that is 5.2% sucrose by mass are needed to obtain18g of sucrose

A: From data's given  With given percentage of sucrose, mass of 18g is obtained as follows

Q: A certain liquid X has a normal freezing point of 0 °C and a freezing point depression constant K, =…

A: Given: Normal freezing point of solvent i.e. X = 0.0 oC Kf of X = 7.44 oC/m. Mass of C7H7NO…

Q: number of grams

A:

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: How many grams of a 18.4% sugar solution contain 76.5g of sugar?

A: Here, we have to calculate total mass of sugar solution.

Q: The freezing point of a CaCl2 solution is -19 ∘C Part A What is the molality (m) of the CaCl2…

A:

Q: Calculate, in mL, the required volume of a concentrated 950 ppm methylene blue solution required to…

A:

Q: 8. A solution is made my mixing 90.0mL of alcohol with enough water to give 250.0mL of solution.…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: A particular water sample that is saturated in CaF2 has a Ca²+ content of 105 ppm (that is, 105 g…

A:

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: Calculate the percent by volume of a solution that contains 62.5 mL ethanol in 250. mL solution? * O…

A: Given :  Volume of ethanol = 62.5 ml  Volume of solution =  250 ml  Percent by volume = ?

Q: Using molarity to find solute moles and solution volume Caliyah v Calculate the volume in…

A: Given that : Molarity of Calcium bromide = 3.3 M Moles of calcium bromide = 100 mmol Volume of…

Q: In an experiment analyzing a hand sanitizer at 20 degrees celsius, the density of ethanol,…

A: Here we are required to find the density of an ideal solution containing 62.00% by mass of ethanol…

Q: Calculate the freezing point and boiling point of a solution con- taining 10.0 g of naphthalene…

A: Given information: Mass of naphthalene = 10.0 g Volume of benzene = 100.0 mL Density of benzene =…

Q: What is the percent by volume of a solution that has 150mL of ethanol in 375mL of H2O

A: Ans is 28.5%

Q: "Determine the molarity of a solution that contains 15.50 mL of glycerol C3H8O3, d = 1.265 g/mL) in…

A:

Q: You mix a solution with 22 grams NaCl, 15.6 grams NaHCO3, and 174 grams of water. What is the mass…

A: Mass percent is one of the ways of expressing the concentration of a solution in chemistry. It is…

Q: How many grams of copper sulfate would you need to make 5 L of a 5 M copper sulfate solution?

A: The gram of copper sulfate can be calculated asThe molecular weight of copper sulfate pentahydrate…

Q: 30 g of KI are dissolved in 300 g of water at 10 degree C. How much additional KI is necessary to…

A: Interpretation -  To tell about how much additional KI is necessary to saturate the solution when 30…

Q: What is the boiling point of a solution, in °C formed by dissolving 19.1 grams of KBr in 25.0 mL of…

A:

Q: A 15% milk solution is prepared by dissolving g of milk in 0.5L of water.

A:

Q: percentage of 250 ml of aqueous sodium chloride solution containing 10 g of Na

A: A solution has two components. One is solute and another is solvent. Here NaCl is solute and water…

Q: What is the mass percent of a solution made by dissolving 45.2 grams of NaCl into 150.0 gramsof…

A: GivenMass of NaCl = 45.2gMass of water= 150.0g

Q: A certain liquid x has a normal boiling point of 119.60 °C and a boiling point elevation constant…

A:

Q: A 2 L sulfuric acid solution containing 320 g of H2SO4 per liter of solution has a density of 1.329…

A: Mass of solute in 2L of solution= 320*2= 640g of H2SO4 Moles of solute= mass /molar mass…

Q: What percent solution would you have if you dissolved 3.7g of NaCl in a total of 250 ml?

A:

Q: Give some examples of gas in liquid solutions and their primary solute and solvent.

A: There are 3 states of matter: solid, liquid and gas. In many cases the same element can exist in all…

Q: Calculate the molarity of a solution containing 50 g of NaCl in 500g of solution having a density…

A: Given Mass of NaCl= 50g Mass of solution= 500g Density of solution=0.936g/cc Density=Mass of…

Q: An ethylene glycol solution contains 27.0 g of ethylene glycol (C2 H6O2) in 94.6 mL of water.…

A:

Q: A certain liquid X has a normal freezing point of −6.30°C and a freezing point depression constant…

A:

Q: A 9.03 g sample of an unknown alkali metal chloride, MCl, is dissolved in 55.00 g of water. The…

A: Given, Mass of sample = 9.03 g Mass of water = 55 g = 0.055 kg freezing point of the solution -10.45…

Q: Calculate the boiling point and freezing point of a solution containing 478 g of ethylene glycol in…

A: Elevation in boiling point is the difference between the boiling point of the solution and the…

Q: Calculate the boiling point of a solution containing 3.5 g sugar (molar mass= 342 g) dissolved in…

A: Given data contains, Mass of sugar=3.2 g. Mass of water is 150 g=0.15 kg

Q: A certain liquid X has a normal freezing point of 5.90 °C and a freezing point depression constant…

A: Freezing point of solvent is greater than freezing point of solutions

Q: What is the mass of the solvent in 15% NaCl solution? a. 100g b. 15g c. 85g d. 75g

A: What is the mass of the solvent in 15% NaCl solution?

Q: Calculate the grams of a 2.0% (m/m) NaCl solution that contains 7.50g of NaCl.

A: Amount of NaCl solution can be determined using the given formula,

Q: 34.1 % (NH4 )2SO4   (molar mass = 132.1 g mol−1) has a density of 1.15 g mL−1. What is the molarity…

A: Given,  The mass percentage of (NH4)2SO4 = 34.1% The density of a solution = 1.15 g/mL The molarity…

Q: 1. A solution is prepared by dissolving 12 grams of turmeric powder in 350 grams of water. Calculate…

A: 1) Given, Mass of turmeric powder = 12 g Mass of water = 350 g Mass percent of each component of the…

Q: Calculate the freezing point of a solution containing 1.25 g of benzene in 100 g of chloroform

A: Solution is made up of two components which are solute and solvent. Solute is present in the minor…

Q: Calculate the boiling point and freezing point of a solution containing 478 g of ethylene glycol in…

A: Given data: The mass of ethylene glycol (solute)= 478 g. The mass of water (solvent) = 3202 g =…

Q: How much glucose (in mg) is needed to prepare 50 mL of a 5 mM solution? (Glucose MW = 180g/mol)

A:

Q: How many gram-equivalent of solute are contained in 0.5 L of 0.2 N solution?

A: Given that: Normality of solution = 0.2 N Volume of solution = 0.5 L To find: Number of gram…

Q: Which solution is more concentrated, a glucose solution prepared by dissolving 75 g of glucose in…

A: Given,  A solution prepared by dissolving 75 g of glucose in 250 g of water and another 250 g…

Q: A student dissolves 4.8 g of ammonia (NH,) in 350. mL of a solvent with a density of 1.01 g/mL. The…

A: Given,  Mass of NH3 = 4.8 g  Molar mass of NH3 = 17 g/mol  Volume of the solvent = 350 ml = 0.35 L…

Q: Calculate the percent by mass of a solution composed of 35.0g of KNO3 and 57.5g of H2O

A: % concentration (by mass) =( mass of solute ÷ mass of solution)× 100 % Mass of solution = mass of…

Q: How much of the concentrated acid is needed to prepare the diluted solution?

A:

Q: Calculate the percent by volume of a solution that contains 62.5 mL ethanol in 250. mL solution?

A: Given: Volume of methanol= 62.5 ml The volume of solution=250 ml    To find:  Percent by volume