oliviabergquist oliviabergquist

13-12-2019
Mathematics

contestada

How many cups of pure water should be mixed with 9.5 cups of a 40% acid solution to dilate it into a 4% acid solution

Respuesta :

Saharapaup374 Saharapaup374

13-12-2019

Answer:

(8.5(0.9))/(8.5 + x) = 1/25

191.25 = 8.5 + x => x = 182.75 cups

Step-by-step explanation:

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