Question

A solution is prepared by dissolving 90 mL of coffee powder in enough water to make 3000 mL of solution. Identify the concentration by percent of the coffee in the solution.

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

GIVEN : A solution is prepared by dissolving 90 mL of coffee powder in enough water to make 3000 mL of solution

TO FIND : Identify the concentration by percent of the coffee in the solution.

SOLUTION : We use the formula, volume percent= volume of solute/volume of solution×100%

From given,we have the perimeters,

The volume of solute is 90mL

The volume of solution is 3000mL

Substitute the volume in the given formula,

volume percent= volume of solute/volume of solution×100%

= 90mL / 3000mL×100%

therefore, The volume percent =3%