Explain how our blood buffer system works. Use the reactions of H2PO4^-/HPO4^-
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Explain how our blood buffer system works. Use the reactions of H2PO4^-/HPO4^-
What must be the ratio of (HPO4/H2PO4) be to prepare a buffer at (pH = 7.40)? (Use the Henderson-Hasselbalch Equation)
A buffer, consisting of H2PO4(-) and HPO4(2-) helps control the pH of physiological fluids. Many carbonated soft drinks also use this buffer system. What is the pH of a soft drink in which the major buffer ingredients are 6.6 g of NaH2PO4 and 8.3 g of Na2HPO4 per 355 mL of solution?
a buffer solution in which [h2po4-]=[HPO4-2]=0.132 Ka=6.2x10-8 a) what is the pH of the buffer when you add 100mL H2O to the mixture? b) what is the PH of the Buffer of the mixture? c) what is the pH of the buffer after adding 0.425 g NaOH in 2 liters of the buffer?
Explain how the buffer system in our blood is related to ocean acidification. According to the video “Changing Waters on the Oregon Coast”: Q1: What aquatic organisms are most vulnerable to ocean acidification? Q2: Why will the Oregon coast continue to see an increase in ocean acidification for 30-35 years even if we were to completely stop CO2 emissions today and cap the atmospheric levels?
Define a buffer and explain how a buffer works. [Note: be sure to address the role of conjugate salts.] Analyze and explain the buffer system in buffered aspirin (carboxylic acid).
A buffer consists of dihydrogen phosphate ions (H2PO4) and as hydrogen donor (acid) and hydrogen phosphate ions (HPO4^2-) as hydrogen-ion acceptor (base). Write the net ionic equations to show how the phosphate buffer neutralized both acid and base.
pH of ________is expected to be lower than ________. NaOH and NaF H2PO4-1 and HPO4-2 NaHCO3 and H2CO3 Ca(OH)2 and H3PO4 Please explain how to figure it out, not just the answer. Thanks!
Part 1: Which pair of substances would make a good buffer system? a. H2PO4-/HPO42- b. H2PO4-/HPO42 c. SO42-/H2SO4 d. HCl/NaOH Part 2: Should the concentrations of the two buffer components be present at relatively high and concentrations close to each other or low with concentrations far from each other ? a. far and low b. close and high
In our experiment, we will be using a portion of the phosphate buffer system that is based upon the following equilibrium: H2PO4- HPO42- + H+ pKa = 7.2 In this case, H2PO4- will act as the acid and HPO42- will act as the base. Materials: 1M NaOH: 40.01 g/L of solution 1M HCl: 83 mL conc. HCl/L of solution Potassium phosphate, dibasic, K2HPO4, MW= 174.18 Potassium phosphate, monobasic, KH2PO4 MW= 136.09 **I already preformed this lab, but I struggled a...
Apart from the bicarbonate/blood buffer system, pick one other kind of acid base buffer system and explain its role and function in the human body