Why might people add a base to an acidic lake?
O
to decrease the algae
O
to control the fish population
O
to neutralize the acid
O
to dispose of excess industrial waste

9. write the chemical equation for the following word equations. include symbols for physical states in the equation. a. solid zinc sulfide + oxygen gas -> solid zinc oxide + sulfur dioxide gas b. aqueous hydrochloric acid + aqueous barium hydroxide -> aqueous barium chloride + water

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

What shape would a molecule with two bound groups and two lone pairs have?