What is the percent composition by mass of oxygen in ca(no3)2 (gram-formula mass=164 g/mol)?
(1) 9.8% (3) 48%
(2) 29% (4) 59%

Predict the relative bond lengths of the three carbon-oxygen bonds in the carbonate ion (co2−3). what would you expect the charge to be on each oxygen? match the words in the left column to the appropriate blanks in the sentences on the right. make certain each sentence is complete before submitting your answer.

How is the solubility of a carbon dioxide gas in water increase?

If 2 molecules of one reactant combine with 3 molecules of another to produce 5 molecules of a product, then what is the representation of the reaction?