"What is the mass percent of ammonia in a solution made by dissolving 3.9 g of ammonia in 65.0 g of water? Make sure to show your work clearly and to the correct number of significant figures".  *Please show solution one step at a time.

Q: e mass of the solution?

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Q: Con ske this tylat data set solution density, g/ml Distilled water 0.995 2.5% sucrose (by mass)…

A: Hello. Since the question contains multiple parts, the first part is solved. In case the solution…

Q: Data for Unknown NaCl Solution Unknown Number 6. Mass of 50 mL beaker 28.94 g Mass of beaker +…

A: The density of a substance is defined as the mass of the substance upon its volume. The density is…

Q: The mass fraction of B in a solution is 0.17. Calculate, in g, the mass of the solution that…

A: We have to calculate the mass of solution.

Q: Calculate the mass % of a solution made from 15.5 g of NaCl and 375.4 g of H2O. Be sure to report to…

A: Given information: Mass of NaCl = 15.5 g Mass of water = 375.4 g

Q: If 21 mL of 1.0 M NH4Cl is used what volume does it need to be diluted to in order to make a 0.12 M…

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Q: Calculate the volume of an 2.1 M KCI solution that contains 284.2 g of KCI. Report your answer with…

A: In this question, we have to calculate the volume of solution in litres by the help of Molarity…

Q: A chemist needs 16.63 mL of 1.816 M NaOH. What volume in mL of 3.97 M NaOH must be diluted in water…

A: During dilution with water the number of moles before dilution and after dilution remains constant.

Q: A solution was prepared by dissolving 1.058 g of NAOH pellets with 100 mL of distilled water and…

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Q: Suppose 0.785 g of barium acetate is dissolved in 150. mL of a 36.0 m M aqueous solution of ammonium…

A: Given mass of barium acetate = 0.785 g volume = 150 ml = 0.150 L

Q: A 10 mL of 0.5% solution composed of barium chloride and sulfuric acid is to be prepared. How many…

A: Given: volume of solution=10 mLcomposition of BaCl2=0.5% To find: Amount of BaCl2 Amount of sulfuric…

Q: Calculate the mass (or weight) by volume percentage concentration of a solution made by dissolving…

A: Given values are, Mass of solute = 22.0 g Volume of solution = 150 mL Mass by volume percentage =?…

Q: Vinegar is a solution of acetic acid (the solute) in water (the solvent) with a solution density of…

A: Given : Concentration of vinegar = 0.80 M And density of vinegar solution = 1010 g/L Assuming 1 L of…

Q: Calculate the molarity of a solution prepared by dissolving 3.22 g of solid LiF (25.94 g/mol) in…

A: Molarity is defined as the number of moles of solute dissolved in 1 litre of solution.  Molarity =…

Q: Calculate the Molarity of a solution when 6.1 grams f hydrochloric acid in 32.9 mL of solution.…

A: Molarity is defined as number of moles of solute divide by volume of solution

Q: How many grams of MgF2 are needed to prepare 250.5 mL of 0.934 molar aqueous MgF2? Put answer in box…

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Q: Calculate the number of moles of sodium hydroxide (NAOH) present in 51.9-mL of a 0.613 M NAOH…

A: The number of moles (N) of a solute present in a solution with a molarity of C (M) and a volume of V…

Q: Please report your answer in mL  to 3 decimal places. No units please.

A: The molarity is used to define concentration which is determine as the number of moles of solute…

Q: density of water= 1 g/ml   volume of water = 12ml   mass of water= ?  mass of solute = 1g…

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Q: A chemist mixes 69. g of diethyl ether with 43. g of heptane and 49. g of methanol. Calculate the…

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Q: What is the percent by mass NaCl of a solution that contains 85.1 grams of NaCl and 119.1 grams of…

A: Percentage by mass (% m/m or % w/w )=mass of solutemass of solution×100%

Q: How much sodium phosphate in grams should be added to the solution to completely precipitate all of…

A: To solve this problem we have write the balanced chemical equation involved in that process.  The…

Q: A sodium nitrate solution is 12.5% sodium nitrate by mass and has a density of 1.02 g/mL. Calculate…

A: Density of solution = 1.02 g/mL Sodium nitrate by mass = 12.5 %

Q: An aliquot of 49.47 mL of methanol is mixed with water such that the total volume of the solution is…

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Q: A glucose solution is prepared by dissolving 6 milliliters of glucose in 120 milliliters of pure…

A: In the given problem, we need to calculate the volume by volume percentage of glucose in resulting…

Q: How many grams of MgCl2 are needed to prepare 586 mL of 0.234 molar aqueous MgCl2? Put answer in box…

A: The question can be solved using molarity equation:

Q: please highlight the correct answer

A: The final concentration is determined by using formula M1V1 = M2V2

Q: A student was asked to calculate the mass of NaCl (in g) needed to create 500 g of 10 % NaCl…

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Q: Calculate the mass percent of a solution that is prepared by adding 54.8 g of NaOH to 461 g of H₂O.…

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Q: What is the molarity of 1.3 L of solution containing 26 g of NaCl?Express your answer to two…

A: Molarity = number of moles of solute / volume of solution in liter number of moles of solute = 26gm…

Q: How many mL of water do you need to add to 171 mL of a 0.42 M solution of acetone in order to create…

A: Initial concentration, M1 = 0.42 M The initial volume of solution, V1 =171 mL Final concentration,…

Q: An 819. g solution of Kool-Aid contains 721. g of water. What is the mass percent of Kool-Aid mix in…

A: Mass percentage of a solution: The mass of solute in gram present in 100 g of a solution is known as…

Q: Calculate the volume in milliliters of 15 % (m/v) NaF solution that contains 2.5 g of NaF. Express…

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Q: a. Starting with a 1M stock of NaCl, a researcher prepares a 100 mM working solution. The dilution…

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Q: Question attached

A: Mass% is equal to the ratio of the mass of the given substance to the total mass of the solution…

Q: 1. Consider the following solution: the solute has a mass of 8.55 g and the mass of the solvent is…

A: Ratio of mass of solute present in the solution to mass of solution multiply by 100 is known as %…

Q: What is the mass of ethanol alcohol present in vodka if it is stated as 80 proof ? Assume: Density…

A: Density of alcohol is equal to the mass of alcohol divided by its volume. Write the expression of…

Q: Lead is a toxic metal that affects the central nervous system. A Pb-contaminated water sample…

A: Percent mass of a solute is related to mass of a solution as shown below:

Q: How much lithium sulfite in grams, should be added to water to prepare a 627 mL of solution with a…

A:

Q: "Determine the molarity of a solution that contains 12.00 mol of HCl in 3.50 L of solution. Make…

A: Step1: Molarity is a concentration term. For any solution, molarity is explained as the number of…

Q: What mass ( in g ) of NaCl is needed to make 330 g of a 27.0% NaCl solution? Report your answer to 2…

A: NaCl = 27% 1gram = 1 milliliter so, Volume = 330 ml Mass of NaCl = ?

Q: Calculate the molarity of a solution made from 42.6 g of NaCl into a total volume of 1,396 mL. Be…

A: since you have posted a multiple question in a single session, we are entitiled to answer only first…

Q: Calculate the mass of MgCl2 necessary to make 500.0 mL of 1.914 M solution. Report your answer with…

A: Molarity = Number of moles/Volume in Litre Number of moles = 1.914 M × 0.500L…

Q: What is the percent by mass NaCl of a solution that contains 85.7 grams of NaCl and 104.1 grams of…

A: The percent by mass of NaCl of a solution is calculated by dividing the mass of NaCl by the mass of…

Q: An aqueous solution is 20.0% sucrose by mass. If you have a sample that is 50 g of this solution,…

A: 20% sucrose by mass means 20g of sucrose is present in 100g of solution. It is given that mass of…

Q: A solution is made using 450.0 mL of isopropanol (density 0.7860 g/mL) and 845.5 mL of water…

A: Mass of isopropanol = density × volume = 0.7860 g/ml × 450.0 ml = 353.7 g Mass of water  = density ×…

Q: How much lithium sulfite in grams, should be added to water to prepare a 627 mL of solution with a…

A: