Homework Help: Chemistry

Posted by Bob on Thursday, January 10, 2013 at 4:56pm.

solid sodium reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. how many molecules of hydrogen gas are formed when 48.7 g of sodium are added to water?
2Na + 2H2O ------> 2NaOH + H2

Chemistry - Samantha, Thursday, January 10, 2013 at 5:01pm
convert grams to moles then use the equatino to do moles of Na to moles of H2O then convert moles of H2O to molecules by using avogadros number (6.022e23) I believe
Chemistry - DrBob222, Thursday, January 10, 2013 at 5:38pm
Samantha has a good plan.
Chemistry - Bob, Thursday, January 10, 2013 at 11:43pm
Thx :)

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