Consider the reaction 4KO2(s) + 2CO2(g) ! 2K2CO3(s) + 3O2(g) . How much KO2 is needed to react with 75.0 L of carbon dioxide at STP?
i have to make a box and pour in 5ml of water and when it comes out it needs to be 15ml.
How can I triple the volume of water?
A company donated 200 books to a local library. If 70 of them are fiction, what percent of the donated books are fiction. 35% is the answer There are130 books that are non-fiction.