Determine the viscosity of a brine containing 120,000 ppm salt (NaCl) at reservoir pressure pf 4000 psi and temperature of 200F.

a. Determine the viscosity of a brine containing 120,000 ppm salt (NaCl) at reservoir pressure pf 4000 psi and temperature of 200F.

b. Determine the solubility of natural gas in the brine of question 2a above.

c. Determine the water compressibility at reservoir conditions listed above.