Answer to Question #344389 in General Chemistry for vihangi

Question #344389

What is the weight percent (w/w) of NaOH in a solution prepared by dissolving 30.0g of NaOH in 120.0g of H₂O?

Expert's answer

weight percent - grams of solute/(grams of solute plus solvent)*100

w/w=(30/(30+120))*100=20%

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