Oxygen is produced by the reaction of sodium peroxide and water. 2Na2O2(s) + 2H2O(l) --- O2(g) + 4NaOH(aq) a. Calculate the mass of Na2O2 in grams needed to form 4.80g of oxygen. b. How many grams of NaOH are produced when 4.80 g of O2 is formed? c.When 0.48g of Na2O2 is dropped in water, how many grams of O2 are formed?

Question

Oxygen is produced by the reaction of sodium peroxide and water.   2Na2O2(s) + 2H2O(l) ---> O2(g) + 4NaOH(aq)  a. Calculate the mass of Na2O2 in grams needed to form 4.80g of oxygen. b. How many grams of NaOH are produced when 4.80 g of O2 is formed? c.When 0.48g of Na2O2 is dropped in water, how many grams of O2 are formed?

asib1214 · Answer

write down the chemical equation and identify which substance is limiting and which isn't, and need to know the mass of water in order to find the mass of sodium peroxide.

anonymous · Answer

(a)33g
(b)24g
(c)0.0673g