Please answer all question Thanks 15. Calculate the pH of 0.208 MHNO,(ag). a) 0.

Question

Please answer all question Thanks 15. Calculate the pH of 0.208 MHNO,(ag). a) 0.682 b) 2.080 c) 1.140 d) 13,792 e) 1.570 16. Calculate the pH of a 0.066 M strong acid solution. a) -1.18 b) 1.18 12.82 d) 15.18 e) none of these 17. For nitrous acid, HNO2. K." 4.0 x 10 Calculate the pHof0.60 MHNo, a) 1.81 b) 0.22 c) 3.62 d) 12.19 these e) none of Use the following to answer questions 18-20 Consider the reaction at 25°C for which the following data are relevant: 11.285 kJ/mol 355.34 JK mol 33.150 kJ/mol 239.90 JK mol kJ/mol 204.80 J/K mol Nros TNO:

Explanation / Answer

Determine the pH of a 0.208 M HNO3 solution.

pH = –log[H+] = –log(0.208) = 0.682

Determine the pH of a 0.066 M srong acid solution.

pH = –log[H+] = –log(0.066) = 1.18

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