Use the References to access important values if needed for this question. How many grams of solid sodium acetate should be added to 1.00 L of a 0.189 M acetic acid solution to prepare a buffer with a pH of 5.284 ? grams sodium acetate = g.

Q: A buffer solution contains 0.239 M acetic acid and 0.420 M potasslum acetate. If 0.0243 moles of…

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Q: An ammonia buffer contains 0.4 moles of ammonia and 0.6 moles of NH4+ ION. PKa is 9.25. what will be…

A: Given: Moles of NH3 = 0.4 moles Moles of NH4+ = 0.6 moles pKa of NH3 = 9.25 So we have to determine…

Q: How many moles of CH₃NH₃Cl need to be added to 200.0 mL of a 0.500 M solution of CH₃NH₂ (Kb for…

A: We have given that pH = 10.80 and we know that      pH + pOH = 14 So                    pOH = 14-…

Q: How many moles of sodium hydroxide would have to be added to 150 mL of a 0.368 M hydrofluoric acid…

A: When sodium hydroxide (NaOH) reacts with hydrofluoric acid (HF), the following reaction takes place:…

Q: A buffer solution contains 0.340 M ammonium chloride and 0.203 M ammonia. If 0.0488 moles of sodium…

A: To calculate the pH of the buffer solution after adding NaOH solution , we would first calculate the…

Q: An aqueous solution contains 0.459 M hydrofluoric acid. How many mL of 0.379 M sodium hydroxide…

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Q: A buffer solution contains 0.10 mol of acetic acid and 0.14 mol of sodium acetate in 1.00 L. You may…

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Q: How many moles of CH₃NH₃Cl  need to be added to 200.0 mL of a 0.500 M solution of CH₃NH₂ (Kb for…

A: First calculate mole of primary amine use basic buffer equation PH+poh=14 Mole of C13NH2C1= xMole of…

Q: A buffer solution contains 0.457 M ammonium bromide and 0.335 M ammonia. If 0.0430 moles of sodium…

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Q: How many grams of solid ammonium chloride should be added to 2.00 L of a 0.221 M ammonia solution to…

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Q: A 1.46 L buffer solution consists of 0.171 M butanoic acid and 0.341 M sodium butanoate. Calculate…

A: Given,  Volume of the buffer = 1.46 L  Molarity of butanoic acid = [Butanoic acid] = 0.171 M…

Q: How many grams of solid potassium acetate should be added to 2.00 L of a 7.25×10-2 M acetic acid…

A: The explanation is given below-

Q: How many moles of NH4Cl must be added to 3.0 L of aqueous 0.10 M NH3 to form a buffer whose pH is…

A: Adding ammonium chloride, NH4Cl, to an ammonia solution will effectively create a buffer solution…

Q: A buffer solution contains 0.341 M ammonium chloride and 0.298 M ammonia. If 0.0488 moles of…

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Q: An aqueous solution contains 0.348 M nitrous acid. How many mL of 0.236 M sodium hydroxide would…

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Q: How many grams of solid ammonium bromide should be added to 2.00 L of a 0.274 M ammonia solution to…

A: Given data, pH of the buffer=8.530 This buffer is basic buffer. So,pOH=14-pH =14-8.530=5.47…

Q: How many grams of solid ammonium bromide should be added to 2.00 L of a 0.205 M ammonia solution to…

A: Given data :

Q: How many grams of solid sodium hypochlorite should be added to 1.50 L of a 0.185 M hypochlorous acid…

A: The given problem can be solved by using Henderson-Hasselbalch equation as; pH = pKa + log conjugate…

Q: How many moles of NH4Cl must be added to 2.0 L of 0.10 M NH3 to form a buffer whose pH is 9.00?…

A: This problem can be solved by using Henderson Hasselbalch equation of pH according to which :…

Q: A buffer is prepared by mixing 204 mL of 0.452 M HCl and0.500 L of 0.400 M sodium acetate. (a) What…

A: Given Data: The volume of HCl is 204.0 mL. The concentration of HCl is 0.452 M. The volume of sodium…

Q: A buffer solution contains 0.209 M ammonium chloride and 0.301 M ammonia. If 0.0515 moles of…

A: 1- First calculate the moles of salt and base before addition of acid HI :  a) moles of NH4Cl = […

Q: How many grams of solid sodium cyanide should be added to 1.50 L of 0.172 M hydrocyanic acid…

A: The given data contains, Volume of HCN =1.50 LMolarity of HCN =0.172 MpH =8.570

Q: A buffer solution contains 0.326 M ammonium bromide and 0.377 M ammonia. If 0.0288 moles of…

A: Given: The molarity of NH4Br = 0.236 M. The molarity of NH3 = 0.337 M. The volume of the Buffer =…

Q: A buffer is prepared by mixing 204 mL of 0.452 M HCl and 0.50 L of 0.400 M sodium acetate. (See…

A: (a) to determine the pH of this system use the Henderson-Hasselbalch equation.this requires that the…

Q: A buffer is prepared by mixing 204 mL of 0.452 M HCI and 0.50 L of 0.400 M sodium acetate. (See…

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Q: How many grams of solid ammonium bromide should be added to 1.50 L of a 0.106 M ammonia solution to…

A: From the relation, pOH is calculated as,

Q: A buffer solution contains 0.476 M ammonium bromide and 0.339 M ammonia. If 0.0340 moles of…

A:

Q: A buffer is made with 1.0 mol of sodium acetate and 1.0 mol acetic acid in 1 liter of solution.…

A: A buffer is made with 1.0 mol of sodium acetate and 1.0 mol acetic acid in 1 liter of solution. The…

Q: How many grams of solid sodium hypochlorite should be added to 2.00 L of a 9.04×10-2 M hypochlorous…

A: In the given question we have to calculate the gram of sodium hypochlorite to prepare the buffer…

Q: A buffer solution contains 0.472 M hydrocyanic acid and 0.249 M sodium cyanide. If 0.0290 moles of…

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Q: How moles of NH4Cl must be added to 2 liters of a 0.1 M NH3 solution to form a buffer with a pH = 9…

A: The Henderson Hasselbalch equation for basic buffer is given as:

Q: A buffer solution contains 0.413 M ammonium bromide and 0.267 M ammonia. If 0.0299 moles of…

A: Given, The concentration of ammonium bromide is 0.413 M The concentration of ammonia is 0.267 M…

Q: A buffer solution contains 0.341 M ammonium bromide and 0.480 M ammonia. If 0.0405 moles of…

A: On addition of an acid to the basic buffer solution, the concentration of weak base decreases…

Q: A buffer solution contains 0.361 M nitrous acid and 0.244 M sodium nitrite. If 0.0185 moles of…

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Q: How many grams of solid ammonium bromide should be added to 1.50 L of a 0.162 M ammonia solution to…

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Q: A buffer solution contains 0.445 M nitrous acid and 0.206 M sodium nitrite. If 0.0225 moles of…

A: The question is based on the concept of buffer solution.   A buffer is a solution which resist any…

Q: How many grams of solid ammonium bromide should be added to 2.00 L of a 0.268 M ammonia solution to…

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Q: 50.0 mL of 0.25 M potassium fluride with 20.0 mL of 0.25 M nitric acid.  Determine if it yields a…

A: The balanced chemical reaction is written as follows:KF + HNO3 → KNO3 + HFThe relation between…

Q: How many moles of CH₃NH₃Cl  need to be added to 200.0 mL of a 0.500 M solution of CH₃NH₂ (Kb for…

A: Given, Volume of solution (v) = 200 mL = 0.2 L Molarity of Base (M) = 0.500 M Kb of base = 4.4×10⁻⁴…

Q: Calculate the pH change that takes place when a 100.0 ml portion a)0.0500 M NaOH and (b) 0.0500 M…

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Q: How many grams of solid ammonium chloride should be added to 2.00 L of a 5.44x10 M ammonia solution…

A: A buffer is a solution that can accept protons (by conjugate base) and donate protons (by acid) at…

Q: A 1.48 L buffer solution consists of 0.128 M butanoic acid and 0.338 M sodium butanoate. Calculate…

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Q: An aqueous solution contains 0.496 M hydrocyanic acid. How many mL of 0.250 M potassium hydroxide…

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Q: Calculate the pH of 0.50 L of a buffer solution consisting of 0.70 M formic acid () and 0.50 M…

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Q: How many grams of solid potassium acetate should be added to 1.50 L of a 0.151 M acetic acid…

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Q: A buffer solution contains 0.415 M acetic acid and 0.350 M sodium acetate. If 0.0412 moles of…

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Q: How many grams of solid sodium fluoride should be added to 0.500 L of a 9.49x10-2 M hydrofluoric…

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Q: A buffer solution contains 0.306 M KHSO3 and 0.376 M Na2SO3. If 0.0398 moles of nitric acid are…

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Q: How many grams of NH4CI would have to be added to 250.0 mL of a 0.420 M NH3 solution to prepare a…

A: The minimum concentration of NH4Cl that must be present in the solution to have a pH of 10 is;…

Q: How many grams of solid sodium cyanide should be added to 1.50 L of a 0.233 M hydrocyanic acid…

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Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.