Question

Room temperature:   294.0 K

Barometric pressure:   763.0 mmHg

Vapor of water:   18.6 mmHg

Volume of O2 collected:   65.50 mL

Density of H2O2:   1.01 g/mL

% Composition H2O2:   3.02 %

Volume of H2O2 used:   5.00 mL

Letter of the unknown solution of H2O2:   C

Volume of O2 collected for the unknown:   53.00 mL

Calculate the corrected barometric pressure.

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