Soft drinks usually have a pH of approximately 3.1. What is the [H3O+] concentration in a soft drink?
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Soft drinks usually have a pH of approximately 3.1. What is the [H3O+] concentration in a soft drink?
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- Example The reference range for blood pH is 7.35 – 7.42. What is this range expressed as [H+] in nmol l-1? Calculation: pH = - log [H+] 7.35 = - log [H+] [H+] = antilog -7.35 = 4.47 x 10-8 mol.l-1 = 44.7nmol.l-1 similarly: pH 7.42 = 38.0 nmol.l-1 Range [H+] = 38 – 44.7 nmol.l-1 If the blood pH decreases in an acidosis from 7.42 to 7.15, what is the change in [H+] in nmol.l-1? so this is example on the worksheet, but i still understand how to answer the question.The concentration of cholesterol (C27H46O) in blood is approximately 5.0 mM. How many grams of cholesterol are in 250 mL of blood?A compound has a pKa of 7.4. You have made up 100 mL of a 1.0 M solution of this compound at pH 8.0. What is the ratio of unprotonated to protonated forms of the molecule? 80% ○ 66.7% 100% ○ 50% ○ 20%