How many moles of h2o are produced from 12.5 moles of so2

3so2+o+

Which is the layer underground where all empty spaces are filled with a combination of air and water ?

At the current rate, a graph of carbon dioxide produced by fossil fuels over time would slope upward slope downward be horizontal be vertical

What is the empirical formula of a compound that is 50.7% antimony and 49.3% selenium ?