Correlation equations for gas compressibility factor (\( z \)) and viscosity (\( \mu \)) as functions of pressure (\( p \)) are as given below.
\[
z = C_1 p^{-0.25}, \quad \mu = C_2 p^{1.25}
\]
where \( C_1 \) and \( C_2 \) are constants, consistent with the field units (pressure in psi and viscosity \( \mu \) in cP), and have values 1.96 and \( 7 \times 10^{-4} \), respectively.
Real gas pseudo pressure corresponding to a pressure of 2500 psi is .......... \( \times 10^6 \) psi²/cP (rounded off to two decimal places).