chemistry

the concentration of urea in a solution prepared by dissolving 16g of urea in 39 g of H2O is ________% by mass. The molar mass of urea is 60.0 g/mol

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  1. (g solute/g solution)*100 =
    [16/(16 + 39)]*100 = ?

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    2. 👎
  2. 0.29

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  3. 29.09

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