A buffer solution contains equal concentration of X - and H X . The k b for X - is 1 0 - 10 . The p H of the buffer solution is

Question

A buffer solution contains equal concentration of X - and H X . The k b for X - is 1 0 - 10 . The p H of the buffer solution is, 4, 7, 10, 14

MARKS App · Accepted Answer

p O H = pK b + l o g [ s a l t ] [ b a s e ] p O H = 10 + l o g [ H X ] [ X - ] [ H X ] = [ X - ] L o g 1 = 0 pOH = 10 p H + pOH = p K w p H = 4 .