Solid sodium reacts violently with water producing heat, hydrogen gas and sodium hydroxide. How many molecules of hydrogen gas are produced when 65.4g of sodium are added to water? 2Na (s) + 2H2O (l) - - >. 2NaOH (aq) + H2 (g)

Question

Chemistry

Jazmyn Prince

15 September, 03:51

Solid sodium reacts violently with water producing heat, hydrogen gas and sodium hydroxide. How many molecules of hydrogen gas are produced when 65.4g of sodium are added to water? 2Na (s) + 2H2O (l) - - >. 2NaOH (aq) + H2 (g)

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Lola Strickland · Answer 1

Molar mass of sodium=23g

2 mole sodium gives 2 g H2

i. e 46g sodium gives 2g H2

so 65.4g will give=2.84g H2

now no. of molecules = 2.8/2*avogadros number