Question

NEED HELP ASAP!!!
WILL CHOOSE THE BRAINLIEST!!!!
You need a 70% alcohol solution. On hand, you have a 200 mL of a 35% alcohol mixture. You also have 90% alcohol mixture. How much of the 90% mixture will you need to add to obtain the desired solution?

Answer 1

You would subtract 90% and 35% and get 55%. You subtract that by 20 and yiu will have 35% of the 90% mixture

Answer 2

Answer:

350

Step-by-step explanation:

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