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Scientist A dissolved 1.0 kilogram of salt in 3.0 liters of water. Scientist B dissolved 2.0 pounds of salt in 7.0 pints of water. Which scientist made a more concentrated salt solution? Explain.



Answer :

luana
[tex]Concentration\ of\ substance=\frac{constituent}{mixture}*100\%\\\\ 1.\\ constituent=1kg\\ mixture=1kg+3l=4kg\\\\ Concentration=\frac{1}{4}*100\%=25\%\\\\ 2.\\ constituent=2\ pounds=2\ pints\\ mixture=7\ pints\\\\ Concentration=\frac{2}{7}*100\%=28,6\%\\\\ Scientist\ B\ made\ more\ concentrated\ salt\ solution. [/tex]

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