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If 45.8 grams of MgO are dissolved in 205 grams of water, what is the concentration of the solution in percent by mass?

If 45.8 grams of MgO are dissolved in 205 grams of water, what is the concentration of the solution in percent by mass?
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If 45.8 grams of MgO are dissolved in 205 grams of water, what is the concentration of the solution in percent by mass?

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User Shkaper
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1 Answer

1 vote
Mass of solute = 45.8 g

Mass of solvent = 205 g

solute / ( solute + solvent )

45.8 / ( 45.8 + 205 )

45.8 / 250.8

= 0.182 x 100 = 18.2% by mass

hope this helps!



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User Thtu
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