A sample of sodium metal (Na) was reacted with excess water, producing hydrogen gas and aqueous sodium hydroxide. The hydrogen gas was collected over water at 45°C (see diagram below, note manometer) Gas jar 700 mm Trough of water Reaction mixture The volume of the gas was 900 mL. How many g of sodium reacted? The equation is 2 Nas) + 2 H2O) → H2g) + 2 NaOH(aq) O 1.46 g Na O 0.654 g Na O none of the answers are correct O 0.511 g Na

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A sample of sodium metal (Na) was reacted with excess water, producing hydrogen gas and
aqueous sodium hydroxide. The hydrogen gas was collected over water at 45°C (see diagram
below, note manometer)
Gas jar
700 mm
Trough of
water
Reaction
mixture
The volume of the gas was 900 mL. How many g of sodium reacted? The equation is
2 Na(s) + 2 H2O1 → H2g) + 2 NaOH(aq)
O 1.46 g Na
O 0.654 g Na
O none of the answers are correct
O 0.511 g Na
Transcribed Image Text:A sample of sodium metal (Na) was reacted with excess water, producing hydrogen gas and aqueous sodium hydroxide. The hydrogen gas was collected over water at 45°C (see diagram below, note manometer) Gas jar 700 mm Trough of water Reaction mixture The volume of the gas was 900 mL. How many g of sodium reacted? The equation is 2 Na(s) + 2 H2O1 → H2g) + 2 NaOH(aq) O 1.46 g Na O 0.654 g Na O none of the answers are correct O 0.511 g Na
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