Standard Temperature and Pressure Video Lessons

Concept: Standard Temperature and Pressure

# Problem: A mixture of hydrogen and helium is 25.0% hydrogen by mass. What is the partial pressure of hydrogen (in atm) in the mixture at STP?a) 0.460b) 0.399c) 0.520d) 0.250e) 0.380

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A mixture of hydrogen and helium is 25.0% hydrogen by mass. What is the partial pressure of hydrogen (in atm) in the mixture at STP?

a) 0.460

b) 0.399

c) 0.520

d) 0.250

e) 0.380

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Based on our data, we think this problem is relevant for Professor Kissling & Tong's class at BU.