WHAT IS PK2?
pK2 for H3PO4. Look in your text for k2 for H3PO4. My text, but it's an OLD OLD one lists k2 of 6.2E-8 and pK2 = 7.21.
DRBOB. It is the same in my reference as well, 6.23E-8 or pK2=7.21 at 25C.
pK2 for H3PO4. Look in your text for k2 for H3PO4. My text, but it's an OLD OLD one lists k2 of 6.2E-8 and pK2 = 7.21.
DRBOB. It is the same in my reference as well, 6.23E-8 or pK2=7.21 at 25C.