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Sylvanite is a mineral that contains 28.0% gold by mass. How much sylvanite would you need to dig up to obtain 63.0 grams of gold?

Respuesta :

Willchemistry
w/w% = mass / total

28.0 / 100 => 0.280

w = 63.0 / 0.280

w = 225 g of Sylvanite

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