Question SLPaper 1AAnswerWhich solution is basic at 25 °C? _K_w = 1.0 × 10−14AH+H+H+ = 1.0 × 10−3 mol dm−3BOH−OH−OH− = 1.0 × 10−13 mol dm−3Csolution of pH = 4.00DH3O+H3O+H3O+ = 1.0 × 10−13 mol dm−3
