(Answered) Concentration of ethanol in the punch

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Problem 1: Amy and Rhiannon are throwing a Halloween party. Amy and Rhiannon make a fruit punch by mixing 538. mL of orange juice with 1.66 liters of cranberry juice. Their teacher sneaks into the party and adds 264. mL of ethanol to the punch before anyone drinks it. What is the concentration of ethanol in the punch using the %(v/v) method? Remember that there are 1,000 mL in 1 L.

Problem 2: Tamara has 85 g of a NaCl solution that has concentration of 1.9 % NaCl (m/m). How many grams of NaCl are dissolved in that solution?

Problem 3: The concentration of H₃O⁺in your swimming pool is 2.5 x 10^-9M. What is the pH of your pool?

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