Asked by Ashlei

How many milliliters of an aqueous solution of 0.138 M potassium nitrate is needed to obtain 19.4 grams of the salt?

Answers

Answered by DrBob222
How many mols is 19.4 grams KNO3?
mols = grams/molar mass
Then mols solution = M x L
Solve for L and convert to mL.
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