• at 40°C, water has a vapor pressure of 55.3 mmHg
Consider the following reaction:
2 NiO(s) → 2Ni(s) + O2(g)
If O2 is collected over water at 40.0 oC and a total pressure of 746 mmHg , what volume of gas will be collected for the complete reaction of 24.79 g of NiO?
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