A0.20 m solution of mgso, has an observed osmotic pressure of 7.6 atm at 25°c. determine the observed van't hoff factor i for this experiment a) 1.6 b) 19 c)0.31 d)1.8 e) 2.0

The correct answer is Option a.

Explanation:

To calculate the Vant't Hoff factor, we use the equation for osmotic pressure, which is:

where,

= osmotic pressure of the solution = 7.6 atm

i = Van't hoff factor = ?

c = concentration of = 0.20 mol/L

R = Gas constant =

T = temperature of the solution =

Putting values in above equation, we get:

Hence, the correct answer is Option a.

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qualitative observation deals with data that can be observed with our senses: sight, smell, touch, taste, and hearing. they do not involve measurements or numbers. for instance, colors, shapes, and textures of objects are all qualitative observations.