georgiewilli214 georgiewilli214 13-03-2024 Chemistry contestada A certain weak base has a Kb of 7.90×10(-7) . What concentration of this base will produce a pH of 10.28? a) 2.98×10(-4) M b) 4.65×10(-5) M c) 7.90×10(-8) M d) 1.20×10(-7) M