A chemist prepares a solution of sodium nitrate (NaNO3) by measuring out 2.19x10^2 umol of sodium nitrate into a 500. mL volumetric flask and filling the flask to the mark with water.
Calculate the concentration in mmol/L of the chemist's sodium nitrate solution. Be sure your answer has the correct number of significant digits.
mmol
the answer is d.) potassium
Ansel nino;
A. pipe, good luck, hope you get it right
Ibelieve it's dna hope this out at least