ANSWERS: 5

Depends. Is the MBD at the ZBF level? The Qwillard station counts too.

A bit above 1 mole....22.4L at STP = 1 mole....don't want to do the math but about 17g.

Easy prob.....combined gas law.

Can you help me through it? How do I set it up?

Use the perfect gas law (ideal gas law). PV=nRT P=5.2atm V=25L n=? R=0.082 057 46(14) T=28C+273=301K n=PV/(RT) n=(5.2)(25)/(0.0821*301) pay close attention to the units n=5.2606mol now convert this to grams for O2 we know it has 32g/mol Now take 5.26056mol(32g/mol)=168.34g of O2
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