How many grams are in 2.75 moles of koh? (molar mass=56.11 g/mol)

Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat

Which statement best describes the he properties of iconic compounds ?

#20 which type of bond is formed when bases pair in dna? ionic bond covalent bond coordinate bond hydrogen bond