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SIZIF [17.4K]
3 years ago
10

A radiator contains 10 quarts of fluid, 30% of which is antifreeze. how much fluid should be drained and replaced with pure anti

freeze so that the new mixture is 40% antifreeze?
Chemistry
2 answers:
Svetllana [295]3 years ago
4 0

Answer:C on edge:)

Explanation:

amm18123 years ago
3 0
Let x be the volume of fluid removed and the volume of pure antifreeze that is added. The concentration of antifreeze in the fluid is 0.3, the concentration in pure antifreeze is 1 and that in the final solution is 0.4 The volume of the final solution is 10.
(10 - x)(0.3) + x = 10(0.4)
0.3 + 0.7x = 0.4
x = 1/7 quarts

The volume that should be drained is 1/7 quarts
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