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ksultz ksultz
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6 years ago
At neutral pH (pH = 7):
 a. the carboxyl group exists as -COOH and the amino group exists as -NH3+
 b. the carboxyl group exists as -COO- and the amino group exists as -NH3+
 c. the carboxyl group exists as -COO- and the amino group exists as -NH2-
 d. the carboxyl group exists as -COOH and the amino group exists as -NH2-
 e. none of the above
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Nickluna@msn.coNickluna@msn.co
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