Chemistry, 28.01.2020 19:45 liddopiink1
What is the ph of a 75.0 ml solution that is 0.047 m in weak base and 0.057 m in the conjugate weak acid ( k a = 7.2 × 10 − 8 ) ?
Answers: 3
![pH=pK_a+\log(\frac{[\text{conjugate acid}]}{[\text{weak base}]})](/tpl/images/0478/1727/7b1d4.png)
= negative logarithm of acid dissociation constant = 7.14![[\text{conjugate acid}]=0.057M](/tpl/images/0478/1727/f6283.png)
![[\text{weak base}]=0.047M](/tpl/images/0478/1727/e1824.png)
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What is the ph of a 75.0 ml solution that is 0.047 m in weak base and 0.057 m in the conjugate weak...
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