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forty five percent by mass of a 350 g mixture is composed of compound a. how much (in grams) of the mixture is compound a?

Sagot :

If forty five percent by mass of a 350 g mixture is composed of compound a, then 157.5 g of the mixture is compound a.

Percentage by mass, mass %, is a measure of concentration that indicates the mass of solute per mass of solution. In other words, the mass percent of a component in the solution is defined as the ratio of the mass of the component to the mass of the solution, expressed as a percentage.

mass % = (mass of solute / mass of solution) x 100

Substitute the given information into the equation.

mass % = 45

mass of solution/mixture = 350 g

Solve for the mass of compound a.

mass % = (mass of compound a / mass of mixture) x 100

45 = (mass of compound a / 350 g) x 100

mass of compound a = 157.5 g

Learn more about the percentage by mass here: brainly.com/question/27574467

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