Given the reaction: 2 Al (s) + 6 HCI (aq) 2 AICI3 (aq) + 3 H2 (g) A strip of aluminum of unknown mass is reacted with excess hydrochloric acid. When the hydrogen gas is collected over water, it is done so at a temperature of 22.0 °C and fills a flask of volume 40.3 mL. The pressure inside the collection tube is 757.8 mmHg and the water vapor pressure at 22.0 °C is 19.83 torr. Determine the mass of the aluminum strip in milligrams (mg).

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Given the reaction:
2 Al (s) + 6 HCI (aq)
--> 2 AICI3 (aq) + 3 H2 (g)
A strip of aluminum of unknown mass
reacted with excess
hydrochloric acid. When the hydrogen gas is collected over
water, it is done so at a temperature of 22.0 °C and fills a
flask of volume 40.3 mL. The pressure inside the
collection tube is 757.8 mmHg and the water vapor
pressure at 22.0 °C is 19.83 torr.
Determine the mass of the aluminum strip in milligrams (mg).
Transcribed Image Text:Given the reaction: 2 Al (s) + 6 HCI (aq) --> 2 AICI3 (aq) + 3 H2 (g) A strip of aluminum of unknown mass reacted with excess hydrochloric acid. When the hydrogen gas is collected over water, it is done so at a temperature of 22.0 °C and fills a flask of volume 40.3 mL. The pressure inside the collection tube is 757.8 mmHg and the water vapor pressure at 22.0 °C is 19.83 torr. Determine the mass of the aluminum strip in milligrams (mg).
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