When air is bubbled through pure water, its pH is lowered from 7.0 to 5.6. Which gas in the air is mainly responsible for this change?
A. CO2
B. NO2
C. O2
D. H2
Answer:A
When air is bubbled through pure water, its pH is lowered from 7.0 to 5.6. Which gas in the air is mainly responsible for this change?
A. CO2 B. NO2 C. O2 D. H2