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#27 A bottle of hydrogen peroxide is labeled 30% w/v. If 25 mL are diluted to 1L, what is the concentration of the diluted solution?

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#27 A bottle of hydrogen peroxide is labeled 30% w/v. If 25 mL are diluted to 1L, what is the concentration of the diluted solution? (8 pts) #28 A brine solution (made of salt) has a concentration of 11M. How many grams of solute are in 50 mL of the solution? (10 pts)

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