What is the gram formula mass of H2PO2? (1) 98.0 g/mol
(3) 14.0 g/mol
(2) 48.0 g/mol
(4) 200 g/mol

Remember to use the proper number of significant figures and leading zeros in all calculations. gelatin has a density of 1.27 g/cm³. if you have a blob of gelatin dessert that fills a 2.0 liter bottle, what is its mass? 2540 g2500 g3.9 x 10-43.937x 10-4

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.

Building glycogen from glucose molecules is an example of