Question

A flask contains helium and nitrogen

gases. The partial pressures of each are
77 mm Hg and 87 mm Hg, respectively.
What is the total pressure in the flask in
mm Hg?

Answer 1

Answer: 164 mm Hg

Explanation: 7 mmHg+87 mmHg

=164 mmHg

Answer 2

total pressure

=77 mmHg+87 mmHg

=164 mmHg