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Urea (NH2)2CO is prepared by

the concentration of urea in a solution prepared by dissolving 16g of urea in 39 g of H2O is ________% by mass. The molar mass
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2. asked by jen
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What is the mole fraction of urea, CO(NH2)2, in a solution prepared by dissolving 6.6 g of urea in 30.2 g of methanol, CH3OH?
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2. asked by Anonymous
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the concentration of urea (MW=60.0g/mol) in a soltuion prepared by dissolving 16g of urea in 39g of H2O is ____ molal
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2. asked by nat
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the concentration of urea (MW=60.0g/mol) in a solution prepared by dissolving 23g of urea in 64g of H2O is ____ molal
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2. asked by Lanna
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The molarity of urea in a solution prepared by dissolving 16 g of urea (MW = 60.0 g/mol) in 39 g ofH2O is __________ M. The
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2. asked by BenY
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the mole fraction of urea (molar mass = 60g/mole) in a solution prepared by dissolving 16g of urea in 39g of h2o
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2. asked by jessie
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The molarity of urea in a solution prepared by dissolving 16 g of urea (MW 60.0g/mol) in 39 g of H2O is ______M. The density of
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2. asked by CC
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Urea, which has the chemical formula (NH2)2CO, is a fertilizer that can be prepared by reacting ammonia (NH3) with carbon
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2. asked by Jacob
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Given the two substances Sodium Nitrate (NaNO3) and Urea ([NO2]2CO), why is it that urea has a lower boiling point? I thought
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2. asked by Vic
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1.00 tonne of ammonium from the harber process is reacted with carbon dioxide to prepare the fertiliser urea and 1.35 tonnes of
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2. asked by ellie smith
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