A buffer is made with 0.493 M of the weak base methylamine () with 0.493 M (KA = 5.6 x 10^-4) What is the pH of this buffer system?

If 0.100 M HBr is added to the buffer, what is the pH?

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Aseasonal prevailing wind in the region of south and southeast asia, blowing from the southwest between may and september and bringing rain (the wet monsoon ), or from the northeast between october and april (the dry monsoon ).

B. nuclear reactions could first occur.