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Q: 1. If I make a solution by adding 83 grams of sodium hydroxide (NaOH) to water to give 750 mL of…
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A: A buffer is a solution that is used to maintain the pH of the solution to a certain value. The…
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Q: 10x
A: A. 10xA difference in 1 unit in pH is equivalent to 10x H+ ion concentration.
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A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Q: Discuss why saline in IV bags has a 0.9% NaCl concentration.
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Q: 1. Calculate the pH of an acetate buffer prepared by dissolving sodium acetate (5.21 g) and acetic…
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Q: 12 If strong-base anion exchange resin is applied to treat raw water with silicate, the pH of raw…
A: Note : Hi ! Thank you for the question. We are authorized to answer one question at a time. Since…
Q: At a pH of 7.40, the carbonic acid ratio is ________.a. 35:1b. 4:1c. 20:1d. 3:1
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Q: How many mL of distilled water must be added to make the Benzalkonium chloride preparation isotonic
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Q: 7. Describe the preparation of 500 ml final volume of a 100 mM NaCl solution from a 0.25M NaCl stock…
A: We are authorized to answer one question at a time since you have not mentioned which question you…
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Q: 780 mL of a solution that is 0.0160 M in K, starting with solid K4 Fe (CN),- Dissolve g K4 Fe (CN)6…
A: Molarity = n/Volume of solution(in L) n = number of moles 1 L = 1000 ml 1 ml = 0.001 L 780 ml = 0.78…
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Q: 4.1 11 (a) Define a buffer solution (b) What are the components of (i) an acidic buffer ?
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Q: 2. Calculate the pH of a buffer containing 0.1 M sodium acetate and 0.2 M acetic acid (pKa = 4.76).
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Q: 7. Which of the following is a valid buffer? A. 0.30 M HNO, and 0.30M NANO, B. 0.20 M HF and 0.10 M…
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Q: 2. If it is assumed that a sample of Sodium Carbonate weighing pure 2.6250g required 60.20mL of the…
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Q: 1. What is the advantage of using an iodophor (betadine) rather than iodine or an iodine tincture?
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Q: 1. A pediatric vitamin drug product contains the equivalent of 0.5 mg of fluoride ion in each…
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Q: I have a 25x stock solution of buffer. How many ml do I add to water to make 50ml of 1x buffer O A.…
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Q: 25. What would be the new pH of a 1L buffer solution (pH=7.8) upon the addition of 3mL O.0001 M HCI.…
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A: We are authorized to answer three subparts at a time since there are four subparts, so we are…
Q: 6. A student used Dumas procedure to calculate the Molar mass of a volatile liquid and collected…
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