5.35 gms of NH4Clis added to 1 lit of 0.4 M NH4OHsolution. Find the [OH Jof the resulting solution assuming no change in volume if the solution. K, of NH,OH is 1.8 x 10-5 (A) 3.8 x 10-5 (B) 7.2 x 10-4 (C) 7.2 x 10-5 (D) 3.8 x 104