A 1L distilled water sample is allowed to equilibrate with the atmosphere. a) The global average CO2 content in the atmosphere is 0.0355% as of 1991 and is increasing at a rate of ~ 1% per year. What is the pH of the sample? NOTE: Consider 2021.

Curren'S Math For Meds: Dosages & Sol
11th Edition
ISBN:9781305143531
Author:CURREN
Publisher:CURREN
Chapter6: Oral Medication Labels And Dosage Calculation
Section: Chapter Questions
Problem 9.3P
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A 1L distilled water sample is allowed to equilibrate with the atmosphere.
a) The global average CO2 content in the atmosphere is 0.0355% as of 1991 and is increasing at a rate of
~ 1% per year. What is the pH of the sample? NOTE: Consider 2021.
b) 5 ml of 1M NaOH was added to the sample and allowed to equilibrate with the atmosphere. Find the
pH neglecting the dilution effects. Hint: use charge balance equation.
c) Find the pH immediately after the addition was done in 1b.
d) Explain the reason for the observed difference in pH in 1b and 1c.
Transcribed Image Text:A 1L distilled water sample is allowed to equilibrate with the atmosphere. a) The global average CO2 content in the atmosphere is 0.0355% as of 1991 and is increasing at a rate of ~ 1% per year. What is the pH of the sample? NOTE: Consider 2021. b) 5 ml of 1M NaOH was added to the sample and allowed to equilibrate with the atmosphere. Find the pH neglecting the dilution effects. Hint: use charge balance equation. c) Find the pH immediately after the addition was done in 1b. d) Explain the reason for the observed difference in pH in 1b and 1c.
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