1. Metformin (C4H11N5) is an oral diabetes medicine that helps control blood sugar levels. Each tablet contains 500.0 mg of metformin. In performing the calculations, work must be shown to earn credit. • Calculate the molar mass of metformin.
129.164 g/mol

• Calculate the number of moles of metformin in a single tablet.

• Jennifer is told to take two tablets with her evening meal. Calculate the number of moles of metformin that Jennifer takes daily.

What can be added to the examples section of each circle? endothermic: ice melting into water, and a heat pack becoming warm exothermic: a glow stick glowing, and fireworks exploding endothermic: ice melting into water, and an instant ice pack turning cold exothermic: fireworks exploding, and gasoline burning endothermic: a glow stick glowing, and a heat pack becoming warm exothermic: an instant ice pack turning cold, and ice melting into water endothermic: gasoline burning, and an instant ice pack turning cold exothermic: ice melting into water, and an instant ice pack turning cold

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?