Question

The tallest mountain in the United States is Denali (formerly known as Mt. McKinley) in Alaska, with a summit elevation of 6190 m. Atmospheric pressure at the top is 606 mmHg. Assuming that the proportion of gases in air at that altitude is the same as at sea level, what is the partial pressure of oxygen at the top of Denali? (rounded to the nearest whole number)

Answer 1