Chemistry

An aqueous solution is composed of 7.50 g NaCl (MM = 58.44 g/mol) diluted to 0.100 L. Calculate the osmotic pressure of the solution at 298 K

a.
5.83 atm
b.
9.22 atm
c.
18.3 atm
d.
62.8 atm

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  1. pi = i*M*RT.
    i is 2 for NaCl (the van't Hoff factor)
    M = grams NaCl/molar mass/0.1L
    R as usual
    T given
    Solve for pi in atm if R is 0.08206 L*atm/mol*K

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