This quiz is in TEST MODE and as such is not 100% functional.
All answers should use 3 significant figures, regardless of how many are given in the problem.
For very small or large numbers, use scientific notation written as follows: 1.23e+23.

QUESTION

Given the following reaction:

2 K₂O2 + 2 H₂O ---> 4 KOH + 1 O₂

How many grams of O₂ can be produced from 2.78 grams of K₂O2 ?