When the following chemicals are mixed, each in 1 liter of water, which would give a basic pH at the end? Select one: O a. 0.5 mole of KOH and 1.0 mole of HCI b. 1.0 mole of KOH and 1.0 mole of HCI O c. 1 mole of KOH and 1 mole of HF O d. 1 mole of HCI and 1 mole of NH3