Cuantos gramos de H3 PO4 (acido fosforico) son necesarios para producir 275 gramos de agua?

If a solution had a ph of 7 what is the solution

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o

Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.