# Answer to Question #55718 in General Chemistry for emmanuel

Question #55718

A solution contains 4 grams of sodium hydroxide in 250ml of solution. If Na=23, O=16 , H=1 and

1cm3

of water weighs1g, what is the concentration of the solution in weight per weight percent?

1cm3

of water weighs1g, what is the concentration of the solution in weight per weight percent?

Expert's answer

w = m(NaOH)/m(solution) *100% = 4/(250+4) = 1.57%

Answer: 1.57%

Answer: 1.57%

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