Determine the mass of KI needed to create a 250. ml solution with a concentration of 2.25 M.

From the options provided for each element below, choose the properties that it may have based on its location in the periodic table fluorine (f): highly reactive nonmetal shiny a conductor

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false

Astring vibrates with a frequency of 10 hz. why can't a person hear the sound waves produced by the vibrating string, no matter how large the amplitude of the waves? out! this is homework and due tomorrow! you so much!