# chemistry

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calculate the amount of solid NH4Cl to add to 50 mL of 1 M to form a mixture that has a pH of 9 assume no volume change in the solution

• chemistry -

----to add to 1 M WHAT to form a mixture====

• chemistry -

oops ammonia

• chemistry -

Use the Henderson-Hasselbalch equation.
pH = pKa + log [(base)/(acid)]

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