A mixture of $H _2$ and water vapor is present in a closed vessel at $20.00^{\circ} C$. The total pressure of the system is 755.0 mmHg. The partial pressure of the water vapor is 17.50 mmHg.
What is the partial pressure of $H _2$? Type in your answer using the correct number of significant figures.
□ mmHg
What is the partial pressure of $H _2$? Type in your answer using the correct number of significant figures.
□ mmHg