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11-09-2017
Chemistry

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how many milliliters of hydrogen gas are produced by the reaction of 0.750 G of sodium metal with excess water?

how many milliliters of hydrogen gas are produced by the reaction of 0750 G of sodium metal with excess water class=

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22-09-2017

The equation for the reaction is:-

2Na + 2H20 ----> 2NaOH + H2

using molar masses

2*23 g Na produces 2 grams of hydrogen
0,75g .. 0.75 * 2 / 46 = 0.03261 g hydrogen gas

= 0.03261 * 22,400 = 730.4 mls of hydrogen Answer

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