UPSEE Solved Model Paper 1

10 mLof 0.2 NHCI + 30 mL of 0.1 N HCI ≡40 mL of NaOH ≡0.61 g organic acid
mEq of HCI ≡ mEq of NaOH ≡mEq of organic acid
= 10 x 0.2 + 30 x 0.1 = 0.61 1000
⇒ 5 =

0.61×1000

E

∴ E =

610

5

= 122