Chemistry, asked by isha14047, 1 month ago

calculate the mass of urea required to dissolve in 500g of water to prepare a 1.186 solution

Answers

Answered by oOLillyrroseOo

3

Answer:

Weight percentage=[

Weight of solute+ weight of solvent

Weight of solute

]×100

Let the weight of the solute be 'x'.

2.38=

x+500

x×100

⟹2.38x+1190=100x

⟹1190=97.62x

⟹x=

97.62

1190

=12.190g

∴ Mass of solute =12.19 grams

Explanation:

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