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Ina hospital laboratory, a 10.0 mL sample of gastric juice (predominantly HCl),obtained several hours after a meal, was titrated with 0.1 M NaOH toneutrality; 7.2

Ina hospital laboratory, a 10.0 mL sample of gastric juice (predominantly HCl),obtained several hours after a meal, was titrated with 0.1 M NaOH toneutrality; 7.2 mL of NaOH was required. The patient’s stomach contained no ingested food or drink, thus assumethat no buffers were present. What wasthe pH of the gastric juice?

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