01-10-2021
Chemistry

contestada

20 ml of D.W added to 60 ml of 2% w/v of phenobarbital solution , find the final concentration

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vjaguirre123 vjaguirre123

01-10-2021

Answer: 1.5% w/v

Solution: (60mL)(2%) = (80mL)(x)

X = 1.5%

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