Discussion
The unit of intrinsic viscosity is
Answer: A
The unit of intrinsic viscosity is dl/g.
Intrinsic viscosity is the limit of the reduced viscosity as concentration goes to zero:
\[ [\eta] = \lim_{c \to 0} \frac{\eta_{sp}}{c} \]
The specific viscosity \(\eta_{sp}\) is dimensionless, so \([\eta]\) has the units of reciprocal concentration, volume per mass, conventionally dl/g (or ml/g). It measures the volume a gram of polymer occupies in solution.
g/dl is a concentration, the inverse. Poise is the unit of dynamic viscosity itself, which intrinsic viscosity is not, and g/mol is a molar mass.
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