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18-10-2016
Chemistry

contestada

If 25.8 grams of BaO dissolve in enough water to make a 212-gram solution, what is the percent by mass of the solution?

Respuesta :

26-10-2016

The correct answer is 12.2% BaO.

The solution is found by dividing the mass of the BaO, which is 25.8 grams, by the total mass of the solution, which is 212 grams, then multiplying it by 100 to get the percentage:
[tex] \frac{25.8}{212}*(100) =12.2%[/tex]

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