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20-11-2021
Mathematics

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Prepare a mixture of 300 mL of 70% alcohol and 200 mL of 95% alcohol. What is the percentage strength of the final solution?

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20-11-2021

Answer:

Step-by-step explanation:

300(0.70) + 200(0.95) = (300 + 200)x

400 = 500x

x = 0.80

80%

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