Homework Answers
Mix moles are calculated:
n = P * V / R * T = 2.55 * 6.57 / 0.082 * 307 = 0.666 mol
The moles of hydrogen are calculated:
n H2 = 0.488 g * (1 mol / 2 g) = 0.244 mol
The mass of oxygen is calculated:
m O2 = (0.666 - 0.244) mol O2 * (32 g / 1 mol) = 13.50 g O2
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