Which two formulas represent compounds? A. Ag B. NaCl C. HCI D. H2

Calculate the mass of carbon in 97.0 g of sucrose c12h22o11

At 20°c, a sample of h2o liquid and a sample of co2 gas each have the same average kinetic energy. why is one a liquid and the other a gas at this temperature?

You wish to prepare a buffer consisting of acetic acid and sodium acetate with a total acetic acetate plus acetate concentration of 250 mm and a ph of 5. what concentrations of acetic acid and sodium acetate should you use