What is the mass percent of carbon in CO? what is the mass of carbon in 4.9g of CO?

How many atoms are in 1.4 mil of phosphorus trifluoride (pf3)

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

Which type of substance ionizes partially and gives off hydrogen ions when dissolved in water? a. strong acid b. strong base c. weak acid d. weak base