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Bodhi

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A bus service center has 2 feed services that start together at 8 a.m. Bus A leaves at 15 minutes interval, while bus B leaves
1. 15 answers
2. 12,179 views
A buffer is created by mixing equal concentrations of NH4+ and NH3. Calculate the volume of both solutions needed to create a
1. 3 answers
2. 1,684 views

I've gotten so far, but am still unsure of how to proceed. Please correct me if I am wrong: I know that since the concentrations of the base/acid are the same, the log(1) is 0, so the pH = pKa. I determined the Kb by finding the Ka and using the Kw
I've been able to rule out a few of them, but I'm not sure if it is right, and how to reason one of them. I don't know how to go about reasoning for i). For ii), bond lengths down a group increase, meaning that the compound is more acidic, making this one

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