Given, \( 5 \times 10^{-3} \mathrm{~kg} \) of urea of dissolved in \( 2 \times 10^{-3} \mathrm{~...

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Given, \( 5 \times 10^{-3} \mathrm{~kg} \) of urea of dissolved in \( 2 \times 10^{-3} \mathrm{~kg} \) of water. Calculate the percent by mass of urea.
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