A buffer is made up of equal volumes (513.8 mL of each) of 0.846 M A H and 0.845 M A minus. 15.54 mL of 0.404 M N a O H is added to the buffer. How many moles of A H are present after the addition of N a O H? Please use correct significant figures.

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lues if heeded for this question. A buffer solution is 0.401 M in H½S and 0.278 M in KHS. If Ka1 for H2S is 1.0 × 10-7, what is the pH of this buffer solution? pH = Submit Answer Retry Entire Group 9 more group attempts remaining тес Not Visited 2red Зred Previous Next ent Save and Exit Cengage Learning | Cengage Technical Support MacBook Air .. R. 吕0 DII F1 F2 F3 F4 F5 F6 F7 F8 2$ & * %23

1. What would be the pH of buffer containing 137ml of 3.50M boric acid and 228ml of 1.90M lithium borate. The pKa of buffer system is 13.80.  solved answer pH= 13.76 2. What would be the pH of the buffer from question 1, after adding 84.5ml of 0.71 M KOH (strong base) to buffer? ??