Question: How is the answer 2.88? Need how to work out in SIMPLEST possible way. Forget quadratic formula if possible. 7. A weak acid. What is

How is the answer 2.88? Need how to work out in SIMPLEST possible way. Forget quadratic formula if possible.

7. A weak acid. What is the pH of a 0.1M solution of acetic acid (pKa=4.75)?0 (Hint: Let x be the concentration of H+ions released from acetic acid when it dissociates. The solutions to a quadratic equation of the form ax2+bx+c=0 are x=(bb24ac/2a.)

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