The mass percent of NaNO3 in a solution is 17 %. What is the mass of NaNO3 in 125g of this solution?

Q: An aqueous solution that is 15% by mass sodium chloride is prepared with 16 g of water. What mass of…

A: Mass% = Mass of solute x 100/Mass of solution

Q: There are 200 mmol NaOH in a 400 mL NaOH solution.  What is the molarity of this solution?

A: The objective of this question is to calculate the molarity of a NaOH solution given the amount of…

Q: solution of CaCl2 is made by dissolving 55.5g of CaCl2 in enough water to yield 0.750 L of solution.…

A: 1- First we will calculate the concentration of CaCl2 in 0.750L volume of the solution.  moles of…

Q: If you have 35.4 mL   of a 4.55% NaNO3 solution, what is the mass of NaNO3?

A: Answer: In this question (w/v)% of NaNO3 solution is given to us and we have to find out the mass of…

Q: À 0.690 m aqueous solution of KBr has a total mass of 64.0 g. What masses of solute and solvent are…

A: What masses of solute and solvent are present in 0.690m aqueous solution

Q: At a certain temperature, an aqueous solution is 38.0% H2SO4 by mass and has a density of 1.342…

A: Molarity (M) :-  The number of moles of solute dissolved in one litre of solution is known as…

Q: What volume (in mL) of a 1.96 M glucose solution contains 0.942 moles of glucose?

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Q: an aqueous solution that is 26% by mass sodium chloride is prepared with 13 g of water. what mass of…

A: Mass percent = (mass of solute/mass of solution)*100

Q: How many mL of water is in 950.0 mL of a 0.25 M NaCl solution? The Density of NaCl=2.165g/mL

A: Molarity (M) The equation to calculate molarity is ; M=given massmolar mass×volume of solution(L)

Q: You have a stock solution of 14.8 MM NH3NH3. How many milliliters of this solution should you dilute…

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Q: An aqueous solution is1.983% by mass of sodium sulfite pentahydrate, Na2SO3∙5H2O. What is the…

A: Molarity is defined as the number of moles present in 1 liter of solution. It is given as: Molarity…

Q: What is the molarity of a solution containing 6.9 g of NaOH in 300. mL of NaOH solution

A: Molarity is defined as the moles of solute in unit litre of solution.   Molarity =  Moles of solute…

Q: what volume (in mL) of a 2.66 M glucose solution contains 0.605 moles of glucose?

A:

Q: Benzene is a carcinogenic (cancer-causing) compound. A benzene-contaminated water sample contains…

A: Given :  Concentration of benzene = 4.3 x 10-5 % by mass  Mass of benzene = 115 mg  Density of water…

Q: What is the molarity of a solution that contains 4.90 moles of a solute in 750.0 mL of solution?

A: Given, Volume of solution = 750 mL = 0.75 L Moles of solute= 4.90 moles

Q: A 8.0 m NaCl solution would have what mass percent of NaC in the solution? The molar mass of NaCl is…

A: Molality is the way to express the concentration of any solution. It can be defined as the number of…

Q: A student wants to prepare a 1.5 M NaCl solution. How many liters of solutions can be made if the…

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Q: A solution contains 22.5 g of CaCl2 in 253 mL of solution.  What is the molarity of this solution.…

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Q: What is the total mass (in grams) of a solution that contains 22.5 grams of MgCl2 where the solution

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Q: Lone pairs on oxygen and nitrogen are often the electron source (Lewis base). Select the electron…

A: Answer: Electron sink means electron deficient and electron source or rich means surplus of…

Q: There are 6 moles of KOH in a 12 M solution. What is the volume of the solution in liters?

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Q: What is the molarity of a solution that contains 2.85 moles of a solute in 750.0 mL of solution?

A: Here we are required to find the Molarity of the solution

Q: molarity

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Q: What is the mass percent of potassium chloride (KCl) in a solution with a concentration of 2.02 M…

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Q: What mass of a 1.1 %NAOH solution by mass contains 32.4 g of NaOH?

A: A numerical problem based on mole concept, which is to be accomplished.

Q: A pharmacist makes an antibiotic ointment by mixing 0.875 g of bacitracin with 24.125 g of a base…

A: Given data,Mass of bacitracin=0.875gMass of base compound=24.125g

Q: A solution of nitric acid has a density of 1.400 g/mL and is 13.250 M. Calculate the percent HNO3 by…

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Q: What volume of a 1.63 mass % solution of Mg(NO3)2 is needed to contain 0.316 grams of Mg(NO3)2. The…

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Q: mass percent

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Q: A solution is prepared by dissolving 23.7 g of CaCl2 in 375 g of water. The density of the resulting…

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Q: What is the molarity of a solution containing 0.325 moles of solute in 250. mL of solution?

A: In this question, we have to find out the correct answer of given problem by the help of the…