work out the following:
57-49
If dissociation constant of acetic acid is 1.68*10-5, the hydrolysis constant of sodium acetate is
1)6.25 *10-9 2)6.25 * 10-19
3)0.625 * 10-5 4)0.625 * 10-9
Add the following: (i) 5a2b2+10ab−12a2+15b−20 and 34ab+24a2+22b+24 (ii) abc+6bcd+abd−9ab+4bc−9a−43 and 4acd+10ac−54b−32c (iii) 5bc+9ad−3c−12 and 24−5c−5b+2ab [4 MARKS]