Homework Help: College Chem 1

Posted by Anonymous on Tuesday, November 27, 2012 at 2:10pm.

a chemistry handbook lists the solubility of NaI as 184 per 100mL of H2O at 25 degrees Celcius.
1) How many moles of NaI can be dissolved in 100mL of H2O at 25 degrees Celcius?
2) What would be the molarity of a saturated aqueous solution of NaI prepared at 25 degrees Celcius , assuming that the added NaI does not add significantly to the volume of the H2O?

College Chem 1 - DrBob222, Tuesday, November 27, 2012 at 10:06pm
184 what? grams?
a. mols NaI = grams NaI/molar mass NaI.
b. M = mols NaI/L soln. You're assume that is 100 mL or 0.100 L.

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