Please help! I'm confused on my chemistry homewor?

Norma

New member
I am given this background information:

The density of a 0.438 solution of potassium chromate at 298 is 1.063 .

Then they want me to figure out:

Calculate the vapor pressure of water above the solution. The vapor pressure of pure water at this temperature is 0.0313 . Assume complete dissociation.
 
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