Question

A sample of No2 (ideal gas) is subjected to a pressure of 0.046 atmospheres, occupying a volume of 3.4 liters at 76C. If the moles of the gas (co2) are dissolved in ethyl alcohol (545 ml, alcohol density 0.89 g / ml), calculate M, m, solute mole fraction, solvent mole fraction, ppm,% p-p, & p-v.

The dissociation constant of the aniline (weak base) c6h7N is 4.3x10-10. If the initial concentration of the base was 0.013M, calculate pH, pOH, H + and OH-.

Answer 1