Answered

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How many molecules of o2 are produced from 82g of h2o?
2na2o2 +2h2o= o2 +4naoh

Sagot :

ninareyesvilla

Answer:
857.2947

Explanation:

You start with what you’re given 82g of H20 and multiply by 1 mole and the actual grams of h20 which is 18.0 then you do the mole. 1 mol of O2 and 2 mol of H2O times 6.02 x 10^23

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