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?
Expert's answer
w = m(NaOH)/m(solution) *100% = 4/(250+4) = 1.57%

Answer: 1.57%

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