Mariamagbanua123viz
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Find the concetration of solution made by dissolving 250 g of solution of sodium bicarbonate in 650g of water?
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Tokamakviz

Given:

mass of solute = 250 g

mass of solvent = 650 g

Required:

percent by mass

Formula:

[tex]\text{percent by mass} = \dfrac{\text{mass of solute}}{\text{mass of solute + mass of solvent}} \times 100\%[/tex]

Solution:

[tex]\text{percent by mass} = \dfrac{\text{250 g}}{\text{250 g + 650 g}} \times 100\%[/tex]

Final Answer:

percent by mass = 27.8%

[tex]\\[/tex]

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