Calculate and compare the pH values for 0.10 M solutions of NH4Br (Ka 5.6 x 10-10) and Al(NO3)3 (Ka 1.3 x 10-5). Which of the following statements correctly describe the acidity of these solutions? Select all that apply. Multiple select question. The pH of the Al(NO3)3 solution is 2.94. Both solutions are equally acidic. The NH4Br solution has a higher pH than the Al(NO3)3 solution. The NH4Br solution is more acidic than the Al(NO3)3 solution. The pH of the NH4Br solution is 1.12