Chemistry

Use the Henderson-Hasselbalch equation to calculate the pH of each solution:

a solution that contains 1.05% C2H5NH2 by mass and 1.10% C2H5NH2Br by mass

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  1. Percent by mass means grams solute/100 g solution. Since each solution is approximately the same, I would ignore the small difference and convert 1.05 g and 1.10 g to moles and substitute moles into the HH equation. Show your work if you get stuck.

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  2. How many grams in 1.26 x 10 -4 mol of HC2H3O2

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