A compound contains 65.2% carbon, 13.1% hydrogen and 34.7% oxygen. If its molar mass is 208.0 g/mol what is its molecular formula?

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral

An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons

Which of the following is most likely true about water in chemical solutions?