1. What mass of sodium hydroxide must be weighed to make 500 mL of 0.1 M NaOH? 2. What mass of potassium hydrogen phthalate (KHP), C8H5O4K, should be weighed to make 500 mL of 0.1 M KHP? 3. What volume of a 2.5 M NaOH solution is required to prepare 300 mL of a 0.10 M solution?

Q: Calculate the molarity of each of the following solutions.  0.450 mole of urea (CH4N2O) in 2.50 ×…

A: The molarity is given by the formula  as follows: Molarity=MoleVolumeL

Q: How many grams of sodium hydroxide is required to make 250.0 mL of a 0.410 M sodium hydroxide…

A: Given,  The molarity of sodium hydroxide ( NaOH) = 0.410 M.  The volume of the solution = 250.0 mL.…

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A: Initial volume (V1)) = 1.0 L Initial molarity (M1) = 3.20 M Final volume (V2) = 2.50 L Final…

Q: What concentration of 20.0 mL NaOH solution is needed to react completely with 0.500 g KHP (204.2 g…

A: One mole of potassium hydrogen phthalate reacts with one mole of sodium hydroxide to form…

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A: Mass/ Volume % is  basically percentage of solute per 100 ml of solution.  ppm is basically mg / L…

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A: The molarity can be calculated as,

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A: Molarity is defined as "the mole of solute  present  per liter volume of solution."…

Q: A 25.0 mL of  a H2SO4 solution requires 38.2 mL of a 0.163 M NaOH solution for complete…

A: Balanced neutralization reaction is H2SO4  + 2NaOH ------> Na2SO4 + 2H2O

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A:

Q: You measure 7.47.4 mL of a 50%50% NaOHsolution by weight (its density is 1.53 g mL−1)and dilute it…

A:

Q: 27. A student dissolves 196 g of H3PO4 in enough water to make one liter of solution. The molarity…

A: According to our policy, we should solve one question ( If any subparts present then we will solve…

Q: To make 1.00 L of 1.00 M NaOH solution, what mass of NaOH needs to be weighed out?

A: 1 M NaOH solution means 1 mole NaOH is present in 1000 mL means 1 L solution.

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A:

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A: Given data: Volume of solution = 500.0 mL Molarity of solution = 2.0 M

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A: Molarity of initial solution = 12.0 M  Molarity of new solution = 0.250 M  Volume of new solution =…

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A: Given:   The mass of HF is 20.0 g. The volume of solution is 2.0×102 mL.

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A:

Q: A 1M NaOH solution must be prepared, using 40 g of sodium hydroxide to that end. Up to which volume…

A: Given : Mass of sodium hydroxide i.e NaOH = 40 g And concentration of NaOH = 1 M

Q: Suppose you need to prepare 10.0 mL of a 0.10 M NaOH solution.  Calculate the volumes of 1 M NaOH…

A:

Q: 50.00 mL of a 0.1001 M solution of HNO3 was prepared by diluting 8.00 mL of a stock solution.…

A:

Q: What volume of 0.252 M potassium hydroxide solution is required to completely neutralize 0.0106…

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A: Calculate the number of moles of HCl: 1 mL = 0.001 L

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A:

Q: What is the concentration of an aqueous sodium sulfide solution that is prepared by dissolving 18.6…

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A: Given that: 1. Molarity of NaCl solution = 0.125M  Volume of solution = 200.0ml = 200.0ml×1L/1000ml…

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Q: 1. How many grams of potassium permanganate, KMnO4, are present in 125 mL of a 0.0850 M solution?…

A: Here, we have to calculate: the mass of potassium permanganate, KMnO4, that are present in 125 mL…

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