The antibiotic gramicidin A can transport Na+ ions into a certain cell at the rate of 5.0 × 107 Na+ ions/channel · s. Calculate the time in seconds to transport enough Na+ ions to increase its concentration by 8.10 × 10−3 M in a cell whose intracellular volume is 1.60 × 10−10 mL. (Answer should be in scientific notation).

General, Organic, and Biological Chemistry
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Chapter8: Solutions
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The antibiotic gramicidin A can transport Na+ ions into a certain cell at the rate of 5.0 × 107 Na+ ions/channel · s. Calculate the time in seconds to transport enough Na+ ions to increase its concentration by 8.10 × 10−3 M in a cell whose intracellular volume is 1.60 × 10−10 mL. (Answer should be in scientific notation).

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