48. GO The diffusion constant for the amino acid glycine in water has a value of 1.06 X 10-º m²/s. In a 2.0-cm-long tube with a cross-sectional area of 1.5 × 10-“ m², the mass rate of diffusion is mlt = 4.2 × 10-1ª kg/s, because the glycine concentration is maintained at a value of 8.3 × 10-³ kg/m³ at one end of the tube and at a lower value at the other end. What is the lower concentration?

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48. GO The diffusion constant for the amino acid glycine in water has a
value of 1.06 X 10-º m²/s. In a 2.0-cm-long tube with a cross-sectional
area of 1.5 × 10-“ m², the mass rate of diffusion is mlt = 4.2 × 10-1ª kg/s,
because the glycine concentration is maintained at a value of 8.3 × 10-³ kg/m³
at one end of the tube and at a lower value at the other end. What is the
lower concentration?
Transcribed Image Text:48. GO The diffusion constant for the amino acid glycine in water has a value of 1.06 X 10-º m²/s. In a 2.0-cm-long tube with a cross-sectional area of 1.5 × 10-“ m², the mass rate of diffusion is mlt = 4.2 × 10-1ª kg/s, because the glycine concentration is maintained at a value of 8.3 × 10-³ kg/m³ at one end of the tube and at a lower value at the other end. What is the lower concentration?
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