20.0 cm3 of sulfuric acid, concentration 0.30 mol / dm3, was added to 40 cm3 of sodium hydroxide, concentration 0.20 mol / dm3. (i) How many moles of H2SO4 were added

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?

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