What is molarity of the solution after the water evaporates
What is molarity of the solution after the water evaporates
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A student makes 215 mL of a 3.15M solution of Na2SO4. he then forgets to seal
it and some water evaporates overnight. When he comes back int he morning, the
volume of the solution is only 205 mL. What is the molarity of the solution
after the water evaporates?