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09-06-2017
Chemistry

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Calculate the mass percent of a solution that is prepared by adding 35.6 g of NaOH to 207 g of H2O.

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dec77cat dec77cat

09-06-2017

m(NaOH)=35.6 g
m(H₂O)=207 g

m(s)=m(NaOH)+m(H₂O)

w=m(NaOH)/{m(NaOH)+m(H₂O)}

w=35.6/{35.6+207}=0.1467 (14.67%)

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