1. How many grams of benzoic acid (C,H.COOH) are contained in a 75 ml solution at 0.21 M concentration?

Q: How many moles of chloride ions are present in a 390.0 mL solution of CaCl2 that has a concentration…

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Q: Use the solutions listed to answer the questions that follow. A. 50. mL of 0.50 M NH3 (Kb = 1.8 x…

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Q: How many grams of benzoic acid (C6H5COOH) are contained in a 75.0 mL solution at 0.340 M…

A: First determine the moles of benzoic acid in given solution.

Q: I have 1,4 mol HCl. I want a 0,2M solution. How many liters man I make? How many moles of HCl are…

A: Molarity is defined as number of solute present in 1000 ml of solution . Mole=…

Q: most intravenous For injections, great care is taken concentration of the solutions to be injected…

A: The reason for this lies in the principle of osmotic pressure. We know that osmotic pressure (π) =…

Q: A 47.0mL aliquot of a 0.600M stock solution must be diluted to 0.100М. Assuming the volumes are…

A: The question is based on the concept of molarity.Molarity is a method of expressing concentration of…

Q: solution

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Q: 7. What role does entropy play in the formation of a solution?

A: Solution :     Entropy is the measure of the degree of randomness of the particles in the system. It…

Q: If 65 g of NH4Cl are added to 100 g of water at 50 °C, how many grams of NH4Cl will not dissolve?

A: We want to add NH4Cl are added to 100 g of water at 50 °C

Q: What mass of NH4Cl must be dissolved in 100 mL of H₂O to make a 0.250 M solution?

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Q: Give the name of the molecular compound and the name of the aqueous solution for each of the binary…

A: Write the molecular name and acid name of the given  molecular formula---

Q: How do you prepare a 5 M of CaC2O4 in a 300 mL solution?

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Q: Use the solutions listed to answer the questions that follow. A. 50. mL of 0.50 M NH3 (Kb = 1.8 x…

A: Buffer solution is the solution in which upon addition of acid or base pH remains constant .

Q: How many millimoles of NaCl are present in 25 mL of a 0.035M solution?

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Q: how many g of sodium hydroxide are present in 831 mL of a 0.750 M solution

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Q: sodium hydroxide concentration 0,10mol/l. how many moles NaOH are dissolved 150ml solution?

A: Number of moles is given by the ratio of number of moles per litre of the solution.

Q: Calculate the amount of conc. HCl

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Q: Give a clear handwritten answer with explanation..What is the concentration (in ppm) of nitrite in a…

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Q: How many grams of tris (m.m. 121 g / mol) is required to prepare 100 ml of a 0.1 M solution?

A: To prepare 100 mL of 0.1 M solution, tris required = 1.21 g.

Q: 3. How many moles of NaCl are in 1.85 L of a 0.458M NaCl solution?

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Q: How much of a 14 M stock HCI solution is needed if diluting to a 3M solution that is 600 mL?

A: Given:M1 = 14.0 MM2 = 3 M.V2 = 600.0 mL

Q: How many moles of Na2CO3 are in 10 mL of a 2M solution?

A: Molarity is another standard expression of solution concentration. A 1 molar (M) solution will…

Q: How many millilitres of pure acid (100%) must be added to 500mL of a solutionthat is 10% acid (by…

A: The question is based on the concept of solutions. we need to calculate quantity of pure acid…

Q: How many moles of ammonium nitrate are in 870 ml of a 3.5M solution?

A: Given, Molarity = 3.5 M Volume = 870 mL 1000 mL = 1 L 870 mL = 0.870 L

Q: How many mL of 2.0M AgNO3 solution are required so that we hav 20 g of AgNO3?

A: The concentration of a solution is described as the dissolved amount of a solute in the given…

Q: How many grams of NaOH would be in 25 mL of 0.100 M NaOH?

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Q: How many mL of NaOH are needed for 25 grams from a 0.123 M NaOH solution?

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Q: how many milliliters of ethanol that dissolved in 400 ml of solution by percent 35% ?

A: Volume of solution = 400 mL % 35 v/v means, 100 mL solution contains 35 mL ethanol

Q: How many moles of HCl are contained in 100mL of 0.15M HCl?

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Q: How many moles of Na2CO3 are there in 10.0 L of 2.00 M solution? Show a clear solution.

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Q: How many millimoles of NaCl are present in 150 mL of a 4M solution?

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Q: 5. Calculate the number of moles of NaCl contained in 0.230L of a 1.8M solution.

A: Applying formula Mole= Molarity× Volume in L

Q: Fifty milliliters (mL) of a 0.10N solution of sodium thiosulfate, Na2S2O3, is to be diluted to make…

A: Dilution It is the process of addition of solvents to obtain a less concentrated solution than the…

Q: 14. Calculate the %(w/v) concentration of a solution containing 7.8 g of FeSO4 in 103 mL of…

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Q: 16. Calculate the number of grams of glucose in 100.00 mL of a 10.0% solution.

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Q: What volume of 1.2M solution will have 8.4g of nitric acid?

A: Molarity is defined as the number of moles of the solute divided by the volume of the solution in…

Q: 5. How many grams of CuSO4 * 5 H₂O are needed to prepare 100 ml of a 0.10M solution? (This is like…

A: The target volume to prepare is 100 mL and the concentration is 0.10M CuSO4. So we have…

Q: How many grams of ammonium sulfate are needed to make a 0.5 L solution at a concentration of 5M?

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Q: Use the solutions listed to answer the questions that follow. A. 50. mL of 0.50 M NH3 (Kb = 1.8 x…

A: A buffer is a solution which resist change in pH and obtained when a weak acid and the salt of its…

Q: How many moles are needed to prepare  95ml of 18%(mVmV)  HCl ?

A: Given :- %(m/v) = 18%            volume of solution = 95 mL             Molar mass of HCl = 36.45…

Q: 1. How many moles are there in 5mL of 0.2 M (Potasium lodide) solution? 2. How many moles are there…

A: Volume of potassium iodide = 5 ml Molarity of potassium iodide = 0.2 M Volume of sodium thiocyanide…

Q: How many moles of K2CO3 are in 730ml of a 2.99M solution?

A: Given data is Molarity of K2CO3 solution=2.99 M  Volume of the solution= 730 mL